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Baryte & Siderite

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SCH47490

Baryte & Siderite

Description Tabs

Description
Locality: 
Colavi Mine, Colavi, Machacamarca, Cornelio Saavedra Province, Potosi Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.7 × 1.6 cm
Description

Razor-sharp, well formed, lustrous, gemmy, tabular barite crystals. The crystals are sitting on beautiful, tiny, compressed rhombohedra siderite crystals of a very dark brown colour, almost black. Very clean of damage for one of these from this locality.

Mineral Data
What's on the rock

Baryte

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
schani

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