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Kingsmountite Hinsdalite Whitlockite & Fluorapatite

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BCK722615

Kingsmountite Hinsdalite Whitlockite & Fluorapatite

Martin Jensen collection
Rare Mineral

Description Tabs

Description
Locality: 
Twin Creeks Mine, Potosi District, Humboldt County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.1 × 1.8 cm
Description

You are bidding on a small and very unusual sample from the Martin Jensen collection with tiny, white radial kingsmountite clusters in tiny vugs with hinsdalite, large crystals of whitlockite and carbonate-fluorapatite and cerussite. A very strange occurence from this large arsenic mine famous for it's orpiment specimens. All species confirmed by analysis. Collected and analyzed by Martin in 1996. 

Mineral Data
What's on the rock

Kingsmountite

Formula: 
Ca4(Fe2+,Mn2+)Al4(PO4)6(OH)4·12H2O
Strunz: 
8.DH.25
Hardness: 
2.5
Streak: 
White
Type Locality: 
Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, USA

Hinsdalite

Formula: 
PbAl3(PO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
4.5
Streak: 
White
Type Locality: 
Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA

Whitlockite

Formula: 
Ca9Mg(PO4)6(HPO4)
Group Parent: 
Whitlockite Group
Strunz: 
8.AC.45
Crystal System: 
Trigonal
Hardness: 
5.0 -
Colour: 
Colourless, grey-white, light pink, light yellow; colourless in transmitted light
Type Locality: 
Palermo No. 1 Mine Grafton County, New Hampshire, USA

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

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