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Native Silver & Polybasite With Calcite

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SCH63187

Native Silver & Polybasite With Calcite

Description Tabs

Description
Locality: 
Anna Mine, Březové Hory, Příbram, Central Bohemian Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.7 × 3.2 cm
Description

Excellent thick matte-finish, black silver ropes aesthetically perched on a bed of translucent calcite crystals with oriented growths of pyrite and aggregates of typically polybasite blades.

From an old collection with labels. Classic, old-timer and aesthetic!

Mineral Data
What's on the rock

Silver

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

Polybasite

Formula: 
[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.5 - 3.0
Streak: 
black

Calcite

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

Seller Information

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