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Fluorapatite & Martite

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CLB86839

Fluorapatite & Martite

Pseudomorph

Description Tabs

Description
Locality: 
Cerro de Mercado Mine, Victoria de Durango, Durango, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 7.5 × 7 cm
Largest Crystal: 
2.40cm
Description

A big and heavy specimen with more than a dozen greenish yellow to honey-colored fluorapatite crystals up to 2.4 cm (some of them gemmy clear and well developed). In addition some very fine martite crystals. Martite is a haematite variety - haematite pseudomorph after magnetite. The white micro crystals are dolomite.

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

Martite

Variety Of: 

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Hardness: 
0.0

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