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Sphalerite On Quartz With Chlorite

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KSC613178

Sphalerite On Quartz With Chlorite

Description Tabs

Description
Locality: 
Gyudyurska Mine, Zlatograd, Smolyan Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3.5 cm
Description

An impressive, reamrkable specimen of what is considered to be the best representatives from the country and some of the best in the world for the species!From 2006 to 2008 year,this mine gave maybe the best black sphalerite crystals for the country!Big,sharp lustrous crystals like this one had never been seen until then and the pieces where not many.This comes from my personal collection and host a textbook,jet black mirror like crystal perched ioslated on a matrix of quartz tiny crystals and chlorite powder!Contacted on only on the back,this one is visually pristine on the display face.Even the color contrast is fantastic and I haven't seen a single specimen for sale for years!

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

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless

Seller Information

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