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Furutobeite

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SKY553491

Furutobeite

Type Locality

Description Tabs

Description
Locality: 
Furutobe Mine, Kosaka, Akita Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.5 × 0.4 cm
Description

Metallic microcrystals of the extremely rare mineral furutobeite from the type locality and associated to bornite and chalcopyrite. 

Only 5 localities known worldwide.

Mineral Data
What's on the rock

Furutobeite

Formula: 
(Cu,Ag)6PbS4
Strunz: 
2.BE.10
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
Gray
Type Locality: 
Furutobe mine (Furutohbe mine), Kosaka, Akita Prefecture, Tohoku Region, Honshu Island, Japan

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