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Zirkelite With Biotite In Antigorite

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CLB127457

Zirkelite With Biotite In Antigorite

from an unknown, closed museum in Palatinate
Rare Mineral

Description Tabs

Description
Locality: 
Palabora Mine, Loolekop, Phalaborwa, Limpopo Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 4.4 cm
Description

Rare, black metallic zirkelite with bronce-colored biotite in green antigorite matrix.

Mineral Data
What's on the rock

Zirkelite

Formula: 
(Ti,Ca,Zr)O2-x
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.5
Colour: 
Black
Type Locality: 
Jacupiranga Mine, Cajati, São Paulo, Brazil

Biotite

Group Parent: 
Mica Group

Antigorite

Formula: 
Mg3(Si2O5)(OH)4
Strunz: 
9.ED.15
Hardness: 
3.5 - 4.0
Type Locality: 
Antigorio Valley, Ossola Valley, Piedmont, Italy

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