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Pistomesite & Rutile

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ESM891317

Pistomesite & Rutile

Description Tabs

Description
Locality: 
Furka Basis Tunnel East Section, Realp, Urseren, Uri, Switzerland
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 4 cm
Description

Rutile needles on pistomesite blades

Mineral Data
What's on the rock

Pistomesite

Variety Of: 

Mg-rich Siderite

Formula: 
(Fe,Mg)CO3
Hardness: 
0.0
Formula: 
(Fe,Mg)CO3
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