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Quartz With Axinite-(Fe)

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SHS21093

Quartz With Axinite-(Fe)

Description Tabs

Description
Locality: 
New Melones Dam, Calaveras County, California, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 3.7 × 3.1 cm
Largest Crystal: 
10.00cm
Description

Double terminated quartz crystal with ferroaxinite inclusions.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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...