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Native Silver & Samtblende & Sphalerite

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MNR630544

Native Silver & Samtblende & Sphalerite

Description Tabs

Description
Locality: 
Vrančice, Příbram District, Central Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.2 cm
Description

Old sample of uncommon mineral association from Vrancice deposit. There is Samtblende (Goethite variety) along with darker grey Silver wires on quartz. Sample matrix is primarily sphalerite. Vugs present also undamaged crystals of sphalerite.

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Samtblende

Variety Of: 

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Hardness: 
5.0 - 5.5

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0