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Sphalerite With Quartz

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BMM842483

Sphalerite With Quartz

Description Tabs

Description
Locality: 
Krushev Dol Mine, Smolyan Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 3.5 × 2.8 cm
Description

This specimen hosts numerous highly lustrous sphalerite crystals (var. cleophane) of up to 15 mm in length, grown on bright matrix in combination with quartz crystals . Extremely shiny, well-formed, gemmy, with an intense olive green color. Second and fourth photo with LED light as backlit. The piece came out of its pocked unharmed and in perfect condition!

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Quartz

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