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Quartz & Rutile

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KFT207129

Quartz & Rutile

Description Tabs

Description
Locality: 
Curnera Valley, Tujetsch, Surselva Region, Grisons, Switzerland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 3.5 cm
Description

You are biting for a very rare rutile-quartz from the alps. The base was on rock and is broken. The quartz includes fine golden hairy rutile and shows a good lustre. On one side is some adularia grown. All in all very good quality no contact to the top.

Mineral Data
What's on the rock

Quartz

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

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
6.0 - 6.5
Type Locality: 
Rutile locality, Horcajuelo de la Sierra, Madrid, Spain