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Tsugaruite

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SMM683202

Tsugaruite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Yunosawa Mine, Ikarigaseki, Minami-Tsugaru-gun, Aomori, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1 × 1 cm
Description

Very good metallic radial groups of crystals of this very rare Pb and As sulphide. It's known in only others two locality worldwide, over the type locality from wich this good sample come.

Mineral Data
What's on the rock

Tsugaruite

Formula: 
Pb4As2S7
Strunz: 
2.JB.30c
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Colour: 
Lead-gray
Streak: 
Lead-gray
Type Locality: 
Yunosawa mine, Ikarigaseki, Minami-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan

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