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Fluorapatite On Chalcedony With Opal

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PDM921594

Fluorapatite On Chalcedony With Opal

Description Tabs

Description
Locality: 
Cerro de Mercado Mine, Victoria de Durango, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.6 × 8.9 × 4.3 cm
Largest Crystal: 
2.50cm
Weight: 
229.00gr
Description

Prismatic crystals of gemmy green fluorapatite resting nicely on a matrix of quartz and chalcedony, and spotted with minor white globular aggregates of opal, that display an intense green fluorescence under short UV.

Acquired in 1971 by Dr Gerard Vogel.

Combine specimens to reduce shipping costs!.

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

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White

Seller Information

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