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Kingsmountite & Jahnsite

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BCK631886

Kingsmountite & Jahnsite

Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 0.9 × 1.2 cm
Description

You are bidding on a small sample with a nice cluster of bladed kingsmountite crystals (not the usual white balls) with nice crystals of jahnsite-CaMnFe, balls of mitridatite and blades of messelite. 

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

Jahnsite

Synonym Of: 

Jahnsite-(CaMnFe)

Formula: 
{Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(CaMnMg)

Formula: 
{Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(CaMnMn)

Formula: 
{Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(MnMnMn)

Formula: 
{Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Seller Information

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