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Anatase & Pennine

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CSL145193

Anatase & Pennine

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Description
Locality: 
Rimpfischwäng, Zermatt, Zermatt - Saas Fee area, Valais, Switzerland
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1.9 cm
Description

Nice specimen with dark blue anatase crystals on pennine. Pennine is a pseudo-trigonal variety of the chlorite group mineral clinochlore. It forms dark green, pseudohexagonal platy crystals with some white feldspar.

Mineral Data
What's on the rock

Anatase

Formula: 
TiO2
Strunz: 
4.DD.05
Hardness: 
5.5 - 6.0
Type Locality: 
St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France...

Pennine

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Hardness: 
0.0
Loranth Minerals

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