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Adularia With Ilmenite

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RBR92105

Adularia With Ilmenite

Description Tabs

Description
Locality: 
Heiligenblut am Großglockner, Spittal an der Drau District, Carinthia, Austria
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 7.5 × 3.5 cm
Description

Crystals uo to 24mm across.

This specimen represents the best quality I have seen in 30 years of collecting alpine minerals.

All faces of all crystals show mirror gloss. The crystals are translucent and snowy white.

Some ilmenite between the crystals and partly intergrown. Ex-Martin Gruell Alpine Collection

Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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