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Ankerite

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TBM830112

Ankerite

Description Tabs

Description
Locality: 
Nebida Mine, Nebida, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7 × 4 cm
Weight: 
105.00gr
Description

Aggregare of selliformed yellow crystals  up to 4 mm side.

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