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Quartz Psm Calcite & Pyrite

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TPX616225

Quartz Psm Calcite & Pyrite

Pseudomorph

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 5.1 × 5.2 cm
Weight: 
60.00gr
Description

Here is a wonderful specimen of pseudomorphism, a group of epimorphic quartz crystals after calcite completely sprinkled with pyrite crystals, from the famous pocket found in the early 90's. This piece is a classic of this world-famous Romanian site.

Mineral Data
What's on the rock

Quartz

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

Calcite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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