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You Searched For : ettringite charlesite [0,0,0]
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Bentorite with Portlandite - Hatrurim Formation, Negev, Israel (Type Locality)
(#MINS9028)
Bentorite is a very rare hydrated sulfate and is a member of the Ettringite Group. The Hatrurim Formation of Israel is the Type Locality. Portlandite is a rare Ca-hydroxide and is a member of the Brucite Group. Combination specimens are extremely ra.
Specimen weight:62 gr.
Crystal size:sub-mm (bentorite) - Up t
 Overall size:56mm x 35 mm x 45 mm
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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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Bultfonteinite and ettringite - N'Chwaning mines - Kuruman - Northern Cape - South Africa
(#GM20061)
This floater is completely made by evident, lilac colored crystals of bultfonteinite.
There are some colorless, little crystals of ettringite too, which ...
Specimen weight:80 gr.
Crystal size:mm. 5
Overall size:35mm x 33 mm x 28 mm
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Ettringite - N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
(#BALD0589)
Group of hexagonal Ettringite's crystals, the biggest is 20 mm. With some microcrystals of Hematite and Andradite.
Specimen weight:176 gr.
Crystal size:Up to 20 mm
Overall size:57mm x 45 mm x 45 mm
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