Ettringite, Haussmannite, Gaudefroyite - N'Chwaning I Mine, Kalahari manganese fields, Northern Cape Province, South Africa
(#FERR1505)
Sample with association of hexagonal prismatic crystals of yellowish Ettringite, black octahedra of very bright Haussmannite, and elongated fibrous crystals of black Gaudefroyite.
All on a reddish matrix.
A classic South African combo piece.
Specimen weight:48 gr.
Crystal size:to 2 cm
 Overall size:50mm x 28 mm x 40 mm
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Owner : Ferrero 's (Torino-Italy)