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Arsenobismite With Pyromorphite

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JYJ70140

Arsenobismite With Pyromorphite

Description Tabs

Description
Locality: 
Juno Mine, Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
0.5 × 1.6 × 1.3 cm
Description

This specimen shows dark green arsenobismite aggregates in paragenesis with pale green pyromorphite crystals

Mineral Data
What's on the rock

Arsenobismite

Mixture Of: 

Atelestite

Formula: 
Bi2(AsO4)O(OH)
Strunz: 
8.BO.15
Hardness: 
4.5 - 5.0

Beudantite

Formula: 
PbFe3(AsO4)(SO4)(OH)6
Strunz: 
8.BL.05
Hardness: 
3.5 - 4.5

Preisingerite

Formula: 
Bi3(AsO4)2O(OH)
Strunz: 
8.BO.10
Hardness: 
3.0 - 4.0

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Hardness: 
4.0
Strunz: 
41.6.9.1
Colour: 
Yellowish-brown, yellowish-green

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