Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Johannite

Views:
Watches:
SKM925610

Johannite

Radioactive

Description Tabs

Description
Locality: 
Geevor Mine, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.6 × 0.8 cm
Description

Nice specimen covered with apple green crystals of johannite asociated with small amount of natrozippeite from Geevor Mine, Cornwall, UK. Boxed with label!

Mineral Data
What's on the rock

Johannite

Formula: 
Cu(UO2)2(SO4)2(OH)2·8H2O
Strunz: 
7.EB.05
Crystal System: 
Triclinic
Hardness: 
2.0 - 2.5
Colour: 
Emerald-green
Type Locality: 
Elias Mine, Jáchymov, Krušné Hory, Karlovy Vary, Bohemia, Czech Republic

Seller Information

Payment options: offline, paypal_wpp, paypal_wps