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Axinite-(Fe) & Rock Crystal

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NST664460

Axinite-(Fe) & Rock Crystal

Description Tabs

Description
Locality: 
Bourg d'Oisans, Isère, Auvergne-Rhône-Alpes, France
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 1.8 × 1.5 cm
Description

A prismatic, 4.5 cm, water-clear rock crystal and clove-brown Axinite-(Fe) up to 1 cm from the type locality, Bourg d'Oisans. Aesthetic display specimen.

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...

Rock Crystal

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
Hardness: 
0.0