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Strengite & Cacoxenite

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PDM943746

Strengite & Cacoxenite

Description Tabs

Description
Locality: 
Garland County, Arkansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.5 × 3.1 cm
Weight: 
68.00gr
Description

Light lavender coloured crystals of strengite that are arranged as spheroidal groups or as single spear-like crystals. Some cavities show exceptional sprays of golden yellow cacoxenite, while the matrix shows red brown eleonorite and black rockbridgeite.

Ex Dr. Bob Janssens #1821.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Strengite

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

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

Seller Information

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