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Semseyite Galena & Siderite

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ESM772318

Semseyite Galena & Siderite

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 3 cm
Description

Semilustrous cluster of metallic semseyite crystals with brown spheres of siderite on a galena matrix

Mineral Data
What's on the rock

Semseyite

Formula: 
Pb9Sb8S21
Strunz: 
2.HC.10d
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Baia Sprie mine (Felsöbánya mine), Baia Sprie (Felsöbánya), Maramureș Co., Romania

Galena

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
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