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Earlshannonite & Rittmannite

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BCK517203

Earlshannonite & Rittmannite

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: 
1.5 × 1.2 × 1 cm
Description

You are bidding on a small specimen with a seam hosting a thin rind of mitridatite with small brown sprays of rare earlshannonite and few tan clusters of rittmannite. 

Mineral Data
What's on the rock

Earlshannonite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Crystal System: 
Monoclinic
Hardness: 
3.0 - 4.0
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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