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Calcite & Quartz

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KSC76689

Calcite & Quartz

Description Tabs

Description
Locality: 
Androvo Mine, Erma Reka, Zlatograd, Smolyan Oblast, Bulgaria
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.9 × 2 cm
Largest Crystal: 
1.50cm
Description

A sharp specimen of manganoan calcite, aesthetically perched on quartz. This is, in turn, covered by a second generation of lustrous white calcite.

Comes from a tiny find three years ago. Contacts only at the back/bottom of the matrix and no damage. 

Mineral Data
What's on the rock

Calcite

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

Quartz

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

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