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Rutile

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MGR652637

Rutile

Description Tabs

Description
Locality: 
Iragna, Lodrino, Riviera, Ticino, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.8 × 2 cm
Description

Alpine rutile is very rare, but usually they are more well known from the Austrian part of Alps and intergrown to hematite from Cavradi gorge. This particular sample is from Iragna in Tessin, Switzerland. This specimen with black, terminated, prismatic, lucent rutile crystal on quartzitic rock matrix was found in the 60ties, the crystal is about 13mm across. Today this material is unfindable and represents an outstanding rarity!

Mineral Data
What's on the rock

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