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Matulaite Rittmannite & Strengite

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BCK526043

Matulaite Rittmannite & Strengite

Rare Mineral

Description Tabs

Description
Locality: 
LCA Mine, Bessemer City, Gaston County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 1.2 cm
Description

You are bidding on a small specimen with a vug that is hosting tiny tabular white crystals of matulaite on a cacoxenite pseudomorph after laueite. Also present are yellow prsims of rittmannite and pods of strengite crystals. Matulaite is very rare here. 

Mineral Data
What's on the rock

Matulaite

Formula: 
(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8·8H2O
Strunz: 
8.DK.30
Hardness: 
1.0
Type Locality: 
Bachman Mine, Hellertown, Lower Saucon Township, Northampton Co., Pennsylvania, 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

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany

Seller Information

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