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Brookite Adularia & Ripidolite

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SHS624758

Brookite Adularia & Ripidolite

Description Tabs

Description
Locality: 
Wanni Glacier, Monte Cervandone, Binn Valley, Valais, Switzerland
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.6 cm
Description

Brokite and adularia and ripidolite on matrix

Mineral Data
What's on the rock

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales, UK

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

Ripidolite

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Formula: 
(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Hardness: 
0.0