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Fluorapatite Diopside & Nepheline

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PJM139967

Fluorapatite Diopside & Nepheline

Description Tabs

Description
Locality: 
Cosgrove Quarry, Cosgrove, Greater Shepparton, Victoria, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 0.7 cm
Description

A vesicle in Cosgrove leucitite lava crowded with translucent needles of apatite, and some blackish diopside and stubby white nepheline crystals

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

Diopside

Formula: 
CaMgSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
Streak: 
white

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.