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Svabite & Tilasite & Calcite

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MEX88463

Svabite & Tilasite & Calcite

Fluorescent

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 8.7 × 4 cm
Description

Tricolor specimen of Langban. The svabite here shows a very nice orange and the tilasite a dark red colour. The third mineral of this specimen shows itself in a small vein. A special uv combination from Langban. Found 1986.

Mineral Data
What's on the rock

Svabite

Formula: 
Ca5(AsO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0
Streak: 
White
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

Tilasite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White