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Quartz With Pyrite

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BMM659130

Quartz With Pyrite

Description Tabs

Description
Locality: 
Krushev Dol Mine, Smolyan Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 6 × 4 cm
Description

Needle quartz crystals with a hedgehog-shaped construction on a light quartz matrix. The crystals are very transparent and partially covered with small, shiny pyrites. The crystallized part is undamaged, the back is extracted from the rock.

Mineral Data
What's on the rock

Quartz

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

Pyrite

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