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Sursassite & Tilasite

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SHS779702

Sursassite & Tilasite

Description Tabs

Description
Locality: 
Falotta, Tinizong, Oberhalbstein Alps, Albula Region, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.5 × 1.4 cm
Description

Nice sursassite and tilasite on matrix

Mineral Data
What's on the rock

Sursassite

Formula: 
Mn2+2Al3(Si2O7)(SiO4)(OH)3
Strunz: 
9.BG.15
Hardness: 
0.0
Type Locality: 
Parsettens Alp, Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland

Tilasite

Formula: 
CaMg(AsO4)F
Strunz: 
8.BH.10
Hardness: 
5.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden