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Fluorapatite On Albite & Chlorite

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RHT639207

Fluorapatite On Albite & Chlorite

Fam. A Clausen, CH
Classic Locality

Description Tabs

Description
Locality: 
Fiesch, Goms, Valais, Switzerland
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 5.3 × 3.7 cm
Description

Small waterclear fluorapatite crystals on grayish brown matrix (albite in a state of decay? Probably a pseudomorph. Green chlorite in a few corners.
 

Mineral Data
What's on the rock

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless
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