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Calcite On Talmessite & Austinite

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PJM140829

Calcite On Talmessite & Austinite

Description Tabs

Description
Locality: 
Gold Hill Mine, Gold Hill, Tooele County, Utah, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.6 × 2 cm
Description

White calcite scalehedrons form a cluster on a bed of translucent white talmessite and transparent colourless austinite from the classic deposit at Gold Hill, Utah

Mineral Data
What's on the rock

Calcite

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

Talmessite

Formula: 
Ca2Mg(AsO4)2·2H2O
Strunz: 
8.CG.05
Crystal System: 
Triclinic
Hardness: 
5.0
Type Locality: 
Talmessi Mine (Talmesi Mine; Telmessi Mine; Telmesi Mine), Anarak District, Nain County (Nayin County), Esfahan Province (Isfahan Province; Aspadana Province), Iran

Austinite

Formula: 
CaZn(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 4.5
Streak: 
White
Type Locality: 
Gold Hill Mine (Western Utah Mine), Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.

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