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Grischunite & Tilasite

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BCK503852

Grischunite & Tilasite

Type Locality

Description Tabs

Description
Locality: 
Falotta, Tinizong, Oberhalbstein Alps, Albula Region, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.9 × 0.7 cm
Description

You are bidding on a small specimen with some very nice red crystals in several vugs of very rare grischunite from the type locality. There is also a spray of colorless tilasite crystals in another vug. Top specimen!

Mineral Data
What's on the rock

Grischunite

Formula: 
NaCa2Mn2+5Fe3+(AsO4)6·2H2O
Strunz: 
8.CF.05
Crystal System: 
Orthorhombic
Hardness: 
5.0
Type Locality: 
Falotta, 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

Seller Information

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