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Anatase On Quartz

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PDM707087

Anatase On Quartz

Gem Crystal

Description Tabs

Description
Locality: 
Rauris, Zell am See District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 3.5 × 3 cm
Description

Gemmy yellowish-blue anatase crystals up to 2 mm, dipyramidal {101}, with very good adamantine lustre and implanted on a transparent quartz crystal.

Classic European specimen, that comes with a previous label from the Eduard Bally (1847-1926) Collection (Switzerland), specimen #7427.

Ex. Dr. Bob Janssens specimen, #392.

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...

Quartz

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

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