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Kingsmountite

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BCK719087

Kingsmountite

Martin Jensen collection
Rare Mineral

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.3 × 0.7 cm
Description

You are bidding on a thumbnail sample collected by Martin Jensen in 1982 during his graduate studies at the Tip Top Mine. The sample has a fracture surface with small clusters of pale yellow kingsmountite crystals with minor whitlockite. Verified by EDS in 1985. Extremely rare mineral at the Tip Top Mine!

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

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