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Axinite-(Fe) & Anthophyllite

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CLB135307

Axinite-(Fe) & Anthophyllite

Classic Locality

Description Tabs

Description
Locality: 
Kuhlenberg Quarry, Silbach, Winterberg, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 1 cm
Description

A cleft-filling of axinite-fe with very good, rather large crystals all around the contact zone. Fine acicular crystals between the large ones seem to be antophyllite.

Mineral Data
What's on the rock

Axinite-(Fe)

Formula: 
Ca2Fe2+Al2BSi4O15OH
Strunz: 
9.BD.20
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France...

Anthophyllite

Formula: 
☐{Mg2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.05
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
5.5 - 6.0
Type Locality: 
Kjennerudvann Anthophyllite Prospect, Kjennerudvann, Kongsberg, Buskerud, Norway

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