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Sillénite Bismite Psm Bismuth & Preisingerite

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CLB176463

Sillénite Bismite Psm Bismuth & Preisingerite

ex collection Manfred Schaeffer
Pseudomorph

Description Tabs

Description
Locality: 
Schneeberg, Erzgebirge, Saxony, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 8.4 × 3 cm
Description

A very big specimen of rare material: yellow to brown earthy sillénite, bismite psm after native bismuth and almost colorless, slightly yellowish glossy cleavage surfaces of preisingerite. Dendritic crystal aggregates on two sides of the specimen.

Mineral Data
What's on the rock

Sillénite

Formula: 
Bi12SiO20
Strunz: 
4.CB.70
Crystal System: 
Isometric
Hardness: 
0.0
Type Locality: 
Durango, Mexico

Bismite

Formula: 
Bi2O3
Strunz: 
4.CB.60
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Colavi Mine, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia

Bismuth

Formula: 
Bi
Strunz: 
1.CA.05
Crystal System: 
Hexagonal
Hardness: 
2.0 - 2.5
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Preisingerite

Formula: 
Bi3(AsO4)2O(OH)
Strunz: 
8.BO.10
Hardness: 
3.0 - 4.0
Type Locality: 
San Francisco de los Andes mine, Calingasta, Calingasta Department, San Juan, Argentina

Seller Information

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