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Tazheranite & Geikielite

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MNR622332

Tazheranite & Geikielite

Type Locality

Description Tabs

Description
Locality: 
Tazheranskii Massif, Lake Baikal, Irkutsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.2 cm
Description

Black Geikielite crystals with numerous tiny orange Tazheranite crystals in matrix.

Mineral Data
What's on the rock

Tazheranite

Formula: 
(Zr,Ti,Ca)O2-x
Strunz: 
4.DL.10
Crystal System: 
Isometric
Hardness: 
7.5
Streak: 
white
Type Locality: 
Tazheranskii Massif (Tazheran Massif), Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia...

Geikielite

Formula: 
MgTiO3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Type Locality: 
Rakwana, Ratnapura District, Sabaragamuwa Province, Sri Lanka