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Pyrrhotite & Quartz

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MGR657393

Pyrrhotite & Quartz

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13.4 × 11 × 9.3 cm
Description

A well formed and very aesthetic specimen from this famous locality. The matrix is covered with micro crystals of quartz. In the center you can see a group of sharp terminated, very glossy and free standing pyrrhotite crystals. They are framed by larger quarz crystals of second generation. A very eye-catching specimen which looks great in various positions. 

Mineral Data
What's on the rock

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Quartz

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