Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Uranophane-β Calcite & Stilbite

Views:
Watches:
ZLT524905

Uranophane-β Calcite & Stilbite

Description Tabs

Description
Locality: 
Radhausberg, Kreuzkogel, Naßfeld, St Johann im Pongau District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2.1 × 2.1 cm
Description

several very small yellow sprays (~0.5-1 mm) of uranophane-β on on tabular calcite.. Some small stilbite crystals are also present. From the 1970´s.

Mineral Data
What's on the rock

Uranophane-β

Formula: 
Ca(UO2)2(HSiO4)2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Item Toolbox