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Fluorite Chalcedony Marcasite & Quartz

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CSW764755

Fluorite Chalcedony Marcasite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Groverake Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 7.2 × 4.5 cm
Weight: 
266.00gr
Description

A rare locality specimen displaying an unusual paragenesis. A core of a large violet/green fluorite crystal is coated with milky white chalcedony followed by white quartz crystals. On top of these have grown creamy coloured calcite crystals and dark crude marcasite crystals. 921

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Current price

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$20
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Shipping Information

Postage Area Price
UK - Royal Mail 1st Class
$6
Europe - Tracked/ Insured
$12
Rest of World - Tracked/ Insured
$20
For multi orders - no additional cost up to 500g
$16

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.