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Fluorapatite In Fluorapophyllite

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GND46005

Fluorapatite In Fluorapophyllite

Classic Locality

Description Tabs

Description
Locality: 
Broken Hill, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 2.8 × 2.3 cm
Largest Crystal: 
3.50cm
Description

A large brown to green fluorapatite crystal sits nicely on a matrix of massive white fluorapophyllite. The termination face is probably a cleavage plane but I'm not certain and the top edge has a large chip out, but it is a good example of a crystal this size from Broken Hill.

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

Fluorapophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0
Gondwana Minerals
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