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Segelerite Collinsite & Fluorapatite

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BCK585595

Segelerite Collinsite & Fluorapatite

Rare Mineral

Description Tabs

Description
Locality: 
Milgun Mine, Milgun Station, Meekatharra Shire, Western Australia, Australia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.1 × 2.6 cm
Description

You are bidding on a large specimen that is host to at least one nice group of lemon yellow segelerite crystals. There is also a large vug of bladed collinsite crystals and numerous tranparent groups of fluorapatite crystals. Very hard to find material!

Mineral Data
What's on the rock

Segelerite

Formula: 
Ca2 Mg2 Fe3+2(PO4)4(OH)2·8H2O
Strunz: 
8.DH.20
Hardness: 
4.0
Streak: 
White
Type Locality: 
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA

Collinsite

Formula: 
Ca2(Mg,Fe2+)(PO4)2·2H2O
Strunz: 
8.CG.05
Hardness: 
3.0 - 3.5
Type Locality: 
Francois Lake phosphate occurrence, Francois Lake, Omenica Mining Division, British Columbia, Canada

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

Seller Information

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