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Azoproite

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JYJ501303

Azoproite

Type Locality

Description Tabs

Description
Locality: 
Tazheranskii Massif, Lake Baikal, Irkutsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.1 × 0.7 cm
Description

Black crystals of the borate mineral azoproite in calcite from the type locality.

Mineral Data
What's on the rock

Azoproite

Formula: 
(Mg,Fe2+)2(Fe3+,Ti,Mg)(BO3)O2
Strunz: 
6.AB.30
Hardness: 
5.5
Colour: 
Black
Type Locality: 
Tazheranskii Massif (Tazheran Massif), Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia...