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Gratonite & Meneghinite

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Gratonite & Meneghinite

Dr. Günther Grundmann Collection
Classic Locality

Description Tabs

Description
Locality: 
Biały Szarlej Mine, Bytom, Silesian Voivodeship, Poland
Class: 
Mixed Specimens
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.5 × 3.6 cm
Description

Glistening crystals of hexagonal rare Gratonite and elongated Meneghinite embedded in typically Galena-bearing matrix. This is a rare Polish oldtimer. Very difficult to get nowadays. This locality was also called Bleyscharley Mine in the older days. The piece comes with an original label from the collection of Dr. Günther Grundmann.
 

Mineral Data
What's on the rock

Gratonite

Formula: 
Pb9As4S15
Strunz: 
2.JB.55
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Excelsior Mine, Cerro de Pasco, Pasco province, Pasco department, Peru

Meneghinite

Formula: 
Pb13CuSb7S24
Strunz: 
2.HB.05b
Hardness: 
2.5
Type Locality: 
Bottino Mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
Wendel Minerals

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