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Galena Sphalerite & Quartz

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FNW93843

Galena Sphalerite & Quartz

Description Tabs

Description
Locality: 
Borieva Mine, Madan, Smolyan Oblast, Bulgaria
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 4.5 × 3 cm
Description

Complex and beautiful spinel-twinned galena with gemmy quartz crystals and black sphalerite.

When you look closely you can see their complicated forms and wave-like tiers on some of its faces.

Mined in 2008

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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
Fine Minerals World