Chalcosiderite

Specimen ID: U3U-A18

Mineral(s)
Chalcosiderite : CuFe3+6(PO4)4(OH)8·4H2O
Locality
Mindat locality:
Dimensions
87mm x 60mm x 37mm
Events

Photo added to mindat.org

A rich spread of dark green, translucent crystals of chalcosiderite mostly to 1mm but exceptionally reaching to 1.5mm. The covering consists of single crystals (and clusters of) tabular to short prismatic irregular hexagons on a matrix of quartz and iron oxides.
Gary (Gazza) Atkinson - 3rd October 2006
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4,798,391 minIDs have been issued as of 22nd Aug 2019 5:41 am BST