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Rock Crystal & Rutile

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MGR815158

Rock Crystal & Rutile

Classic Locality

Description Tabs

Description
Locality: 
Grieswies, Hüttwinkl Valley, Rauris, Salzburg, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.7 × 2.3 cm
Description

A lustrous, sharp terminated rock crystal with a group of intense red rutile needles inside the main crystal. Rutilated rock crystals represent a great rarity for the entire region. Field collecting is prohibited in the area (National Park) and is hard to obtain.

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

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

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