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June 2018

  • 16 Jun, 2018
    Roger Curry
    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...
  • 12 Jun, 2018
    Mark Wrigley (Admin)
    I know there are a few collectors of unusual pseuodomorphs out there who might be interested in this. I spotted this specimen chenevixite posted by Carsten Slotta; from the photographs you can see an array of quite well...
  • 11 Jun, 2018
    Mark Wrigley (Admin)
    Pyrite - Victoria Mine, Navajun, Spain   Introduction: I know the title is a terrible Alistair MacLean pun, but it is hot here today and it was the best I could come up with. Spanish sellers Baltasar and Elvira at...
  • 10 Jun, 2018
    Mark Wrigley (Admin)
    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. ...
  • 09 Jun, 2018
    Roger Curry
    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...
  • 08 Jun, 2018
    Mark Wrigley (Admin)
    Hoganite   Hoganite and paceite (along with calclacite) are currently the only known minerals containing the organic acetate ion (CH3CHO2)- Minerals Containing the Acetate (Ethanoate) Ion Calclacite Ca(CH3COO)Cl...
  • 07 Jun, 2018
    Roger Curry
    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...
  • 06 Jun, 2018
    Roger Curry
    A rather interesting little gold nugget, found using a metal detector at Dunolly, Central Goldfields Shire, Victoria, Australia. In 1856 Dunolly was the site of one of the largest gold rushes that Victoria, Australia has...
  • 05 Jun, 2018
    Mark Wrigley (Admin)
    Having worked with Madagascan minerals over a number of years, grandidierite has always been a interesting and hard to get hold of mineral. The story went that there were a few localities close to each other in the south of...
  • 04 Jun, 2018
    Mark Wrigley (Admin)
    I have just been updating 2 new minerals recently added to the e-Rocks database and made a sad but interesting discovery about the name. Edtollite and alumoedtollite are comparatively newly IMA approved minerals pending...
  • 02 Jun, 2018
    Mark Wrigley (Admin)
    I spotted our third ever specimen of santanaite go under the virtual gavel the other day and in my tiny brain the name resolved to "santanaite, named for Carlos Santana legendary Mexican guitarist"! Of course santanaite is...
  • 01 Jun, 2018
    Roger Curry
    I recently came across a reference to gold being worked at Cross Gill in the North Pennines. It’s in an 1873 article - On the Occurrence of Lead, Zinc, and Iron Ores, in some Rocks of Carboniferous Age in the North-West of...