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Matulaite Cacoxenite & Beraunite

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BCK207231

Matulaite Cacoxenite & Beraunite

Type Locality

Description Tabs

Description
Locality: 
Bachman Mine, Hellertown, Northampton County, Pennsylvania, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1 × 0.6 cm
Description

You are bidding on a small specimen with some very nice groups of matulaite crystals with sprays of cacoxenite and beraunite.

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

Cacoxenite

Formula: 
Fe3+24Al(PO4)17O6(OH)12·17H2O
Strunz: 
8.DC.40
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Beraunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Group Parent: 
Beraunite Group
Strunz: 
8.DC.27
Crystal System: 
Monoclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Seller Information

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