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Ankerite

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AST106969

Ankerite

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 6 × 4 cm
Description

Very sharp ankerite crystals with snow white aragonite and transparent second generation calcite rhomboedral crystals.Avery thin iron oxide film that covers ankerite gives crystals a caramel brown to black color with high luster (partly iridescent).

Mineral Data
What's on the rock

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria

Seller Information

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