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Chlorargyrite Pyromorphite Chrysocolla Duftite & Baryte

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Chlorargyrite Pyromorphite Chrysocolla Duftite & Baryte

Rare Mineral

Description Tabs

Description
Locality: 
Silver Coin Mine, Valmy, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 1.5 cm
Description

Paragenesis with a wide variety of species. See photographs - there may be even more unidentified.

Mineral Data
What's on the rock

Chlorargyrite

Formula: 
AgCl
Strunz: 
3.AA.15
Crystal System: 
Isometric
Hardness: 
1.5 - 2.5
Streak: 
White
Type Locality: 
Marienberg District, Erzgebirge, Saxony, Germany

Pyromorphite

Formula: 
Pb5(PO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Zschopau, Erzgebirge, Saxony, Germany

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Duftite

Formula: 
PbCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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