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  • Blog entry
    Hi all! There is a new photo contest on the way, the second Mineral Photo Contest MinerElx is open for entries until 30th of November. This year there are two categories: macro photos and micromount photos. No age limit and every participant can submit...
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    Giuseppe Siccardi of Yourmineral Collection in Italy emailed me at the end of last month to tell me of some changes with his business. Giuseppe has been trading under Yourmineral collection (item code YMC) with e-Rocks since the end of 2007. Now 10 years...
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    Last weekend I was reading on the BBC website about the discovery of a "lost" portrait painting by Rubens of George Villiers, the 1st Duke of Buckingham (d.1628). It turned out the painting was lost in plain view hanging and on public display in Glasgow'...
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    I was asking Colleen Thomson about the latest from the Greenlaws project at the last Oxford show - she did say that an announcement was imminent and here it is, courtesy of Peter Ward on their Facebook page. "Hi everyone... We are delighted to announce...
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    Congratulations to Chris Spiromitros of Greekrocks - he has just updated/upgraded his website. He is also the first Dealer to put his e-Rocks auctions on his website using our Page App.
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    The other week I was experimenting with lighting and rotation using tanzanite. I managed to take these photographs - not much dichroism seen in the "rock tack"!
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    A very early start from TV Towers, to Heathrow and onto the short flight to Munich. Really it is a very easy journey and a good time for George and I to catch up on business and plan for the next few days. The view of mountains of Bavaria as we came into...
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    Art Deco walnut display cabinet, circa 1930    Introduction Most people in tuned into the news will be aware of the media splash behind the launch of the new Apple iphone X (and 8) the other day. It has been widely publicised that the X phone was to...
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    Once again whilst researching and updating a new mineral I came across another interesting figure behind the mineral name. This time the mineral was gorbunovite - the citation from the IMA proposal is in the box below.  Gorbunovite The mineral is named...
  • Blog entry
    Sapphire - September's Birthstone Sapphire - Zazafotsy, Ihosy, Madagascar - 16mm, sold in September 2018   We have not written a "numbers" blog for nearly a year; we figure most people are here for the minerals but sometimes it might help to find out...
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    Saturday morning, September 2014, we were up bright and early and on the road to Fernleigh, Ontario. Unless you are a mineral collector, you likely will not have heard of the it. We were looking for a kyanite and staurolite occurrence. Actually, I was...
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    I was working on a new mineral the other day and spotted an interesting question raised shared by various sources. Tredouxite (IMA approved pending publication) is named for professor Marian Tredoux in the Department of Geology, University of the Free...
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    Hi all, as the new site is online now and a lot to explore, i just want to give thumbs up for the e-rocks crew. Quite a task to manage all and fix the (inevitable) bugs which are quite usual if a system is relaunched or set up new. I am looking forward...
  • Blog entry
    Here we are at the 2017 Bakewell Show, and what a day it has been. Having stayed overnight in town last night we started the day early in the main "gymnasium" hall and straight into the business of looking at minerals and meeting people. The Main Hall...
  • Blog entry
    George turned up today with a little collection of mainly Scottish Minerals. This is some native silver from Alva Mine, Central Scotland. 8mm across - rare stuff! The discovery of a native silver deposit in 1715 also coincided with the Jacobite rebellion...
  • Blog entry
    A little bit of excitement for a new discovery/identification of bazzite in the Western Alps, Piedmont, Italy. Usually highly sought after by collectors, bazzite is a rare scandium rich type of beryl usually small with a charateristic strong baby blue...
  • Blog entry
    You know you’re a rockhound when cries of “Froodite! I’ve got froodite” are heard echoing from the rafters. And before you step back in alarm, it’s not contagious… it’s the name of a mineral. Please, allow me to make introductions. My husband Reiner and...
  • Blog entry
    Merry Christmas to all! The mineral baubles decorating the above tree are all from the same unusual American mine. The Christmas of 1902 was a corker for George B. Chittenden of Gila County, below (that's a contented smirk he's got) - But not so, the...
  • Blog entry
    The Hampshire Mineral & Fossil show is on Saturday 5th September at its usual venue in Lyndhurst Community Centre. Time: 10:00am - 16:30pm. The Hampshire show although small is always well attended and usually has some nice things to see, with...
  • Blog entry
    Here is a "lucky shot" of small inclusions of pyrite floating within a clear crystal of fluorite from Heights Quarry, Weardale. The crystal is 13mm across and was spotted by George at Bakewell last weekend. (click to enlarge) Below might be the actual...
  • Blog entry
    2 weeks to go until this year's Rock Exchange - AKA Bakewell Show. Always great to attend for 2 show days of minerals and catch-up with people from all over the UK and further afield. 10th and 11th October, 2015 Lady Manners School, Bakewell,...
  • Blog entry
    James Tennant (1808-1881) was in his time one of the UK's most notable mineralogists and dealers in minerals, fossils and shells. His specimens can be found in many museums around the globe, and in many notable historic collections. In his heyday he...
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    Saturday is the last day of our Munich roundabout tour for 2017. It is also the first public day and weekend crowds descend upon the place. We only planned to be there for 1/2 a day finishing off business and seeing the last few people on our list...
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    One of Germany's most diverse sources of minerals, and still open here is a specimen of "plain old" baryte with inclusions of limonite etc. Makes a pretty and elegant display.
  • Blog entry
    As we push back on May and head into June a final quick blog with 2 bits of new information.   Nollmotzite (Mg[U5+(U6+O2)2O4F3]·4H2O) A new mineral, IMA approved pending publication due. Nollmotzite is the first naturally occurring uranium, uranyl...
  • Blog entry
    As it is 31st December no auctions will be closing today on e-Rocks, however the holiday program continues tomorrow with the first auctions in 2016. Many thanks to all our customers, sellers and buyers for all your contributions and our success in 2015...
  • Blog entry
      Today 30 December is the last day of auctions for e-Rocks in 2017, and quite a year it has been both on and off "the pitch".  The Piatek Minerals auction closing at 23:40 tonight will be the final and 1839th auction during 2017; a year when we have...
  • Blog entry
    The calendar has quickly stepped around again and this year's Autumn show schedule is beginning soon; in two weeks it will be Bakewell time once more. George and I will be there again this year and no doubt will see many of our UK based collector friends...
  • Blog entry
    Plinius Earth Treasures has started its official channel here on e-Rocks since December 2017, and one of the constants of the inventory was the listing of specimens from the Bruno Cerato collection and stock. Frequent e-Rocks customers will remember the...
  • Blog entry
    This excellent shared photo from e-Rocks seller Edward Coghlan sort of sets the mood for the day at e-Rocks. The photo shows a group of explorers at Twll in Rhosydd Slate Mine, Wales standing in a large damp cavern with the light streaming in. We are up...
  • Blog entry
    The mines at Merelani in Tanzania are not only already famous for the gemstones tanzanite, tsavorite, scapolite etc. but also for the superbly well crystallised sulphide minerals namely pyrite, wurtzite and of course alabandite, all coming to prominence...
  • Blog entry
    Sharyginite was listed as a new mineral, approved pending publication in the June 2017 Mineralogical Magazine. The formula is Ca3TiFe2O8 it was first identified in material collected from Caspar Quarry, Bellerberg, Eifel, Germany. Probably unsurprising ...
  • Blog entry
    Above is a picture from a few days ago of our last pallet of minerals to arrive for 2016. What a busy year it has been and now it is nearly over. Christmas and the holiday period are all set and there are some terrific contributions this year our...
  • Blog entry
    This unusual specimen featured in my Christmas auction in 2013/2014. Smithsonite Psm Calcite. Whatley Quarry, Somerset, UK. Size: H:12.7cm x W:9.4cm x D:6.6cm Largest Crystal: 2cm
  • Blog entry
    Above, .539 grams of native gold panned from the Suisgill Burn. The magnificent Hornsby Nugget, top left, naturally folded, weighs 27 milligrams. In 1977 I drove my Dad's Mazda way up north. To the site of the Great Scottish Gold Rush of 1869. I camped...
  • Blog entry
    Traditionally July and August are slower months for us; with both sellers and collectors away on holiday etc. This year we have been moving like an express train with the e-Rocks sellers adding 10000 new items in the 65 days from June 26th through to...
  • Blog entry
    I was recently offered this "Elementary Collection of 100 Minerals Fossils & Shells". The collection was originally supplied by Bryce M Wright, then of 90 Gt Russell Street, London. The mahogany box with two trays is in fantastic condition with...
  • Blog entry
    Munich Show is coming up in a week's time. We are looking forward to being there as a guest of/helping with Christian Rewitzer in Hall A6.551 - the usual place. We will be there from Wednesday 28th October to close time on 31st October. Buyers,...
  • Blog entry
    Mineral photography continues to be well written up in many places, and no doubt will get a few mentions here from time to time; we do have one or two expert photographers selling and contributing to our pages. Personally we have photographing minerals...
  • Blog entry
    Our e-Rocks database is continuously growing and flexing as our sellers add new mineral types, varieties and of course the odd thing that we think is relevant to the naming of items on the site. Recently I was adding a group of related "new" minerals,...
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    In terms of desirability, the specimens collected by NASA in ‘69 would be hard to beat. Their superb provenance is excellently documented. They are holotypes of three minerals new to science, and brave men risked their lives to collect them. There were...
  • Blog entry
    It is already nearly a few months since we returned from our eventful trip to Alicante with the Uerpmann collection; when we returned we parked a large portion of the unseen collection in our warehouse. All this material had been wrapped and taped in...
  • Blog entry
    Back in 2009 the late Paul Lowe was disposing of the mineral collection of the late Dr Fred Armitage. Dr Armitage lectured in Chemistry at London Universities from the 1970s until the early 2000s. He had a huge interest in puzzles particularly polycube...
  • Blog entry
    Following on from reading about pit-men discovering very substantial (6m long, 3m high and 1m wide) vugs in the witherite at the Morrison Busty Colliery, I’ve uncovered another spectacular occurance of walk-in “crystal caves in coal mines.” About 56...
  • Blog entry
    In November 1777 French botanist Joseph Dombey, above, set sail for Peru and Chile, as part of the joint Spanish-French Ruiz & Pavón Expedition. The arduous eleven year botanical exploration provided a wealth of plant specimens, an international...
  • Blog entry
    We are really pleased to announce the arrival of David Eicher's book The New Cosmos coming out in November. David is the editor in chief of the Astronomy magazine and has been associated with e-Rocks as both a buyer and seller almost since we started...
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    Here is a tremendous specimen recently posted by Facebook friend and fellow collector Yasuichi Okazaki in Japan. The specimen 37mm X 26mm X 46mm is primarily sphalerite crystals but intergrown with bright gold wires. In his post Yasuichi goes on to...
  • Blog entry
    Until I researched it I would never have thought vanadinite likely to occur at Ilfeld in Harz, Germany. The specimen we discovered is a manganite matrix with tiny pockets of braunite, and with one solitary yellow (part) crystal within. Being solitary and...
  • Blog entry
    Congratulations to long standing customer of e-Rocks, Andy Christy for the naming of new mineral "andychristyite" after his good self. Andy joins an ever growing list of sellers, customers and visitors to our site to which this honour has been bestowed....
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    Sometimes even the most clearly labelled specimen will have you scratching your head in trying to find out what it is or where it is really from! Working with old collections and labels it is possible to encounter changes in mineral names via...
  • Blog entry
    Last month we blogged about the acquisition of an important Wheal Maudlin "Horsetooth" siderite specimen from an unspecified lot of minerals at an auction in North Yorkshire. Siderite - Wheal Maudlin, Lanlivery, Cornwall The provenance of the piece has...
  • Blog entry
    Above, a 1.58 gram nugget of gold, resembling a lizard-like creature, with adherent quartz matrix, Zwedru, Liberia. In the early 1980's a couple of good mates of mine were living in Monrovia, Liberia. While there, Linda & Simon visited an artisanal...
  • Blog entry
    Andyrobertsite and calcioandyrobertsite are two fascinating mineral species present in a single very famous specimen from Tsumeb.  This superb specimen was featured in the cover of the Mineralogical Record vol.30, num. 3, May-June 1999, jointly with the...
  • Blog entry
    Gwennap Pit started out as a sharp indentation in the landscape caused by mining subsidence in the mid C18th. It gained a reputation as an outdoor "church" when John Welsey preached there no less than 18 times between 1762 and 1789. After Wesley's death...
  • Blog entry
    If you don't already know about it, here is a website for anyone who is interested in old mining history, especially related to the western states of the USA. The website contains a huge and comprehensive database of mining localities, mining information...
  • Blog entry
    It was down to Carsten to wrap up August 2015, and boy did he find something a bit unusual! Brunogeierite is an insanely rare iron germanate found only (so far) in a few places, plus Tsumeb. The crystal habit is black octahedral crystals. For a Tsumeb...
  • Blog entry
    Tomii Mine in Tochigi Prefecture, Honshu Island, Japan is quite well known for its quartz and amethyst clusters with crystals arranged in sprays around a central crystal. This specimen recently posted on Facebook by Shigeki Nishimura in the Quartz group...
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    After a long time preparing it, we are happy to be offering here on e-Rocks the B. Florin collection. B. Florin was a knowledgeable Swiss collector. He was specialised in Swiss localities, but specialized in choice specimens, odd quartz shapes and...
  • Blog entry
    Not really a new year's resolution as such, but to make space for new projects, it is time to sell my old collection/hoard of Romanian minerals. Back in the day, before 2002 I put together quite a large selection of Romanian pieces, traveling there when...
  • Blog entry
    Quite often minerals appear online from places that one is never likely to visit, some places like Tsumeb or Trepca are well photographed and beautiful, some of course ugly. One place I have never visualised is the Tatra mountains spanning Poland and...
  • Blog entry
    Earlier this month I was introduced to a small selection of specimens of talc on dolomite from Portreath Beach on the Lizard, Cornwall. These came to prominence in the Mineralogical Record Show Report for Ste Marie 2017, written up as quote. "In one of...
  • Blog entry
    You may have noticed today's home page centre has changed; usually we display "today's auctions closing", but today we are showing "all auctions". There is a simple reason for this. Because of demand from our sellers, we have had to increase our schedule...
  • Blog entry
    At Oxford show last weekend Geologist Nick Eastwood was selling a small batch of fluorite specimens he has collected in the 1970s when he was working in the Dale. The specimens are from the Red Vein Lead Mine (or Level) a separate portal onto the Red...
  • Blog entry
    Back in November 2011 I offered this specimen in my birthday auction. It is still one of my favourite Weardale specimens ever. Here is its listing Fluorite Heights Quarry, County Durham, United Kingdom Miniature (4.5-7 cm) Size: H:4.8cm x W:4.8cm x D:4....
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    It was in August last year that we reported the our page on Facebook had reached 8,000 likes, well now we have risen to the 10,000 mark. We continue to use our page to provide our Facebook followers a daily snapshot of the e-Rocks site new listings,...
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      Flicking through the auctions yesterday I spotted a specimen of Mineevite-(Y) - always inquisitive to see the composition of these more obscure minerals I looked at the mineral data. I was even more curious to discover that in the formula, was the...
  • Blog entry
    Rupert Harrison recently posted these pictures of Ed Retallack, retired quarry manager for Dean Quarry, St Keverne, Lizard, Cornwall. It features Ed holding his best collected specimen with the locality in the distance behind him. To me, another...
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    Last week I took a few days out to visit some favourite old haunts up in Weardale. I have always loved the place and the mining and mineral heritage have created an enduring strange feeling of home from home when ever I visit. The central purpose of my...
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    Whilst sorting through some Tsumeb minerals recently we came across this label, with the dealer information cut off. All we had to go on was the hand writing and a "crossed hammers" symbol on the left. With a little help and research we have traced this...
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    Well not really, but as things have quietened down a bit in the week since launch it seemed a good opportunity to display a few minerals myself. The barite samples are placed in a new feature page for single item listings - Open Market. Open Market can...
  • Blog entry
    For those who regularly use our Search feature to find minerals listed on e-Rocks, we have just launched a new feature to help get to the latest items. We have created a new filter in your relevant search results that will allow you to view any minerals...
  • Blog entry
    A few days ago an anonymous user from Germany made e-Rocks history by being the 10,000th registered user to sign up to our site. As ever, we would like to thank "anonymous" and all our growing ranks of visitors both old and new for checking in and making...
  • Blog entry
    As an online seller it is always good to hear something we have sent out has been received and lived up to expectations. Here is one from Leor Goldberg recently published on Facebook. Recent acquisition! Gypsum with included thometzekite on matrix. Both...
  • Blog entry
    Ha Ha, here is a specimen of well crystallised hemimorphite from Bage Mine, Cromford, Derbyshire. According to the label the specimen was collected on 21 November, 1999 by George Fletcher. Bage mine is well known for such UK classics such as matlockite...
  • Blog entry
    One more yellow sphalerite, this one from Spain, 18+ct "Markoh-i-noor" cut, best choice to boost the dispersion! Sphalerite Cut & Photo by Egor Gavrilenko
  • Blog entry
    Along with everything else that is going on we have been doing some background work on some phosphate minerals spurred on by a request by seller Modris Baum (LMB Minerals) and something he had discovered on a Brazilian hureaulite specimen. Modris has...
  • Blog entry
    A lot earlier this morning George and his partner Sam became parents for the first time. Their little boy has been named Alexander Thomas Wrigley. There are two knock on effects, I have become a grandparent, and George is now currently covering his new...
  • Blog entry
    March Oxford show is the first of the 2016 series of Oxford shows. A small show but quite well attended this time was no different; it is a good opportunity to meet up with people after the winter months and Tucson. Personally suffering from "Manflu" I...
  • Blog entry
      The Italian town of Larderello was created to exploit the mineral riches of boraciferous fumaroles. Its chemical production was soon eclipsed by geothermal power generation. The minerals found around the area (33 in total) include six rare borates,...
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    Ever had a discussion along the lines of "I have this old specimen, but it has no labels so I am not sure of where or what it is?" Most of us have and the mystery sometimes never gets solved, we have quite a pile here, which sometimes has a happy ending...
  • Blog entry
    To start 2016 off we have introduced a translation feature for e-Rocks. This should be easy to use and hopefully cater for most users who's first language isn't English. The translator applies to all pages, and when operational has a "Show Original"...
  • Blog entry
    It is always interesting when a seller messages me because a mineral isn't listed on our main database. Jason Boyd Smith, AKA Bucket of Holes made such a request for the mineral "Schmidite" yesterday. Sure enough it was not listed with us, and further...
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    As many will already know we maintain a daily blog of new listings, auctions closing and photography over on the e-Rocks Facebook page. Over the last 18 months we have built quite a following and it is thanks to our Sellers, and Visitors that we've...
  • Blog entry
    If you’ve tried to hunt for minerals using a metal detector, you are familiar with the challenges. Especially if you are looking for, say, silver at an abandoned mine where all of the structures have been leveled to the ground. Trash is everywhere. Old...
  • Blog entry
    Stanhope Silver Band - Weardale Show 2017   It is time to publicise the upcoming 2018 Weardale show. Organised by Enrico Rinaldi and held in St John Chapel in the heart of beautiful Weardale, this is the second annual show. Last year's show brought...
  • Blog entry
    Two more mineral firsts are on show on e-Rocks at the moment. Our first specimen of fuettererite is due to close on Joy Desor's auction this evening. Fuettererite   Originally described back in 2002 from the type locality at NE2 Vein, Otto Mountain,...
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    Hi All, We have fixed the problem with accessing e-Rocks yesterday. The rescheduled end times for yesterday's auctions are now updated. Note, these auctions will close across today and tomorrow along with the programme listings with altered times. Please...
  • Blog entry
    Reiner and I retired to Cobalt, Ontario, Canada a little over a year ago. When we aren't out exploring the old mine sites in and around the area, we devote our time in support of the Cobalt Historical Society. The group maintains the Heritage Silver...
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    A little self indulgence here; not only is liroconite one of the "holy grail" UK minerals, it is one of my favourites! This specimen listed by Carsten is small but exhibits excellent crystals, and is beautifully photographed! Check out the other photos...
  • Blog entry
      Coldberry Gutter is a prominent scar in the hills high above the Weardale and Teesdale valleys at the head of Bow Lee and Hudeshope valleys, within County Durham, UK. Location of Coldberry Gutter   All across this area there are a number of "hushes...
  • Blog entry
    Expert photographer and mineral collector from Austria, Andreas Schmid has recently being showing some excellent photographs using a light source at an extreme angle to the faces of the subject crystals.     I would have trouble explaining the physics...
  • Blog entry
    Here is an interesting ovoid form embedded in obisidian from Coso Range, Inyo County, California. But what is inside? Answer - cristobalite tridymite & fayalite (brown crystals) Happy Easter
  • Blog entry
    This really odd habit of cuprite has just come to light from the copper mines at Rudabanya, Hungary. Not seen before from here, the habit appears to be octahedral modified by cubic faces - FOV 1.5mm. The specimen is in the collection of e-Rocks seller...
  • Blog entry
    Within Peter Uerpmann's collection of European minerals we came across quite a large comparatively heavy specimen (110g) of slaggy matrix filled with bright metallic octahedrons of silver to 1mm stacked in pagoda-like parallel groups, labelled from ...
  • Blog entry
    Something we do not see very often (maybe twice a year), the administrator's "auction items closing panel" for the next 24 hours is blank! This means we don't have any auctions closing on Christmas Day, but we will be back on Boxing Day with a full...
  • Blog entry
    Introduction:  A few months ago I came across the mineral aldridegeite in the IMA list of minerals whilst doing some research. This sulphate mineral is a member of the develline group first discovered and only found at Broken Hill, New South Wales,...
  • Blog entry
      Today we saw our e-Rocks User registration count reach 7500; this means that barring the odd D.Duck and K.Kong we are connected to 7500 mineral collectors worldwide. Great news if you are prospective seller, re-assuring if you have not already signed...
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    Frequently pointed out by kind visitors are the typos in the texts I produce - as always my thanks for the assistance with this! This time this is not a typo of fluorite but an interesting specimen of a mineral variety I had not looked into before. This...
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    Not well known for its mineral collecting Albania seldom figures as a source in many collections or available minerals. In 9 years of e-Rocks we have only ever seen 2 specimens and localities. The current specimen is a newly "discovered" combination of...
  • Blog entry
      It is Munich time again and I am sure you will have noticed a number of "Munich" themed auctions here on e-Rocks. As usual there is a great choice of minerals coming up and more to come over the next week or so, there is also a full programme of...