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Baryte Malachite & Siderite

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AST1103739

Baryte Malachite & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Mavrolakkas, Kastro Valley, Limenaria, Thasos, East Macedonia and Thrace, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.7 × 2 cm
Description

A pair of barite crystals grow with malachite on botryoidal siderite matrix from a classic find at the locality. Darker green area around barite crystals is probably gypsum film. Specimen is from a German collection, label included.

Mineral Data
What's on the rock

Baryte

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Siderite

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

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