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Kingsmountite & Rittmannite

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BCK117522

Kingsmountite & Rittmannite

Type Locality

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.9 × 2.3 cm
Largest Crystal: 
0.07cm
Description

Small matrix specimen with pinkish kingsmountite sprays to .7mm with nice zoned sheaves of rittmannite/jahnsite-CaMnFe to 1mm, spheres of pale yellow eosphorite, and robertsite/mitridatite.

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

Rittmannite

Formula: 
{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
3.5
Type Locality: 
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu District, Portugal

Seller Information

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