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Semseyite Sphalerite Var Marmatite

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RAK936377

Semseyite Sphalerite Var Marmatite

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 5.8 × 3.2 cm
Largest Crystal: 
2.00cm
Description

A very nice combo specimen of rare grey Semseyite crystal groups up to 2 cm tall and lustrous, black Sphalerite (var. Marmatite) crystals. The two Semseyite crystal groups are nicely perched on the spherical cluster of Sphalerite. The specimen is very 3-dimensional which can best observed on the video, please make sure to watch it!

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Marmatite

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
(Zn,Fe)S
Hardness: 
0.0
Colour: 
Black
Video

Semseyite_Herja.ROM (#200701)

Seller Information

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