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Quartz Calcite & Siderite

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SUR97705

Quartz Calcite & Siderite

Description Tabs

Description
Locality: 
Droujba Mine, Djurkovo Complex, Laki Obshtina, Plovdiv Oblast, Bulgaria
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 10 × 5 cm
Description

A cluster of translucent, milky quartz points with a preferential coating of small white calcite plates and tiny brown siderite crystals.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Calcite

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

Siderite

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