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Manganoan Calcite On Quartz

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SPH200813

Manganoan Calcite On Quartz

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
12.8 × 11 × 7.7 cm
Largest Crystal: 
6.60cm
Description

This truly outstanding piece is a marvelous combination of manganoan calcite and quartz on a heavy matrix of pyrite and chalkopyrite. The whole piece is of brilliant quality with a perfect main crystal dominantly protruding from the top. Size, composition, quality and elegancy are combined in this magnificent piece!

Mineral Data
What's on the rock

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Quartz

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