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Riebeckite In Tiger's Eye

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Riebeckite In Tiger's Eye

Classic Locality

Description Tabs

Description
Locality: 
Postmasburg, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 5.3 × 3.8 cm
Largest Crystal: 
1.00cm
Weight: 
216.00gr
Description

The dark blue silky fibrous forms of riebecktite are perfectly complimented by the rich honey-coloured tigers eye it is sandwiched in. From Postmasberg, Northern Cape, South Africa.

Mineral Data
What's on the rock

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5
Type Locality: 
Socotra Island, Adan Governorate, Yemen

Tiger's Eye

Mixture Of: 

Crocidolite

Hardness: 
0.0

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5

Chalcedony

Hardness: 
6.5 - 7.0