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Manganoan Calcite On Galena

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KSC500896

Manganoan Calcite On Galena

Description Tabs

Description
Locality: 
Krushev Dol Mine, Smolyan Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.5 × 3 cm
Description

This mine is one of the most productive and famous in the ancient mining area used by the Thracians!The mine had produced some of the finest manganoan calcite specimens in the world,especially when it comes to rhombohedra!Here is a fantastic,more than 10 years old specimen of a sharp,slightly modifed rhombohedron of the rare variety of calcite!The crystal is gemmy,oily lustrous,very large and with a slight baby pink color!It's fluorescent and undamaged,only contacted on the back,with a clean cleaved area!Some super lustrous galena spinel twined crystals reveal the nature of the matrix!Those pieces are really hard to find today,even in old collections!

Mineral Data
What's on the rock

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Galena

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

Seller Information

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