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Artichoke Quartz With Calcite & Dolomite

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CLB78460

Artichoke Quartz With Calcite & Dolomite

Classic Locality

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.6 × 8 × 5.2 cm
Largest Crystal: 
6.40cm
Description

Three large, very nice artichoke quartz crystals covered partly with creamy-white dolomite and calcite crystals. Some minor pyrite at the base.

The whole cluster looks perfect in nature but is so white it's hard to photograph.

Mineral Data
What's on the rock

Artichoke Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0

Calcite

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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