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Chalcosiderite & Cacoxenite

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CR73416

Chalcosiderite & Cacoxenite

Description Tabs

Description
Locality: 
Miguel Vacas Mine, Conceição, Vila Viçosa, Évora District, Portugal
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 6.5 × 3.5 cm
Description

<p>Extremely rich and colorful phosphate specimen:</p> <p>Yellow-orange cacoxenite microcrystals with green chalcosiderite all over the shist matrix. </p> <p>Very beautiful under a lense or microscope !</p> <p>#14</p>

Mineral Data
What's on the rock

Chalcosiderite

Formula: 
Cu(Fe3+,Al)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
4.5
Type Locality: 
Phoenix United Mine, Minions, Linkinhorne, Liskeard District, Cornwall, England, UK

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