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MD-145030
Ettringite
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
Thumbnail, 2.3 x 1.4 x 0.7 cm
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A crust of super-bright yellow crystals of the rare (in crystals) mineral ettringite (Hydrated Calcium Aluminum Sulfate Hydroxide), which forms as a precipitate from hydrothermal solutions. It is best-known and has been found in its best specimens at this locality.

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Ettringite

Ettringite

Wessels Mine, Hotazel, Kalahari Manganese Field, Northern Cape, South Africa
Miniature, 3.3 x 3.2 x 1.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 4.0 x 4.0 x 2.5 cm
Ettringite

Ettringite

N'Chwaning II Mine, Kuruman, KMF, Northern Cape, South Africa
Miniature, 4.7 x 3.5 x 1.9 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 7.0 x 5.6 x 5.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 5.6 x 2.0 x 1.7 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Cabinet, 10.0 x 8.0 x 5.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 4.1 x 3.6 x 2.4 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 6.2 x 2.4 x 2.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 5.2 x 2.3 x 2.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 6.1 x 2.6 x 2.4 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 5.0 x 2.3 x 2.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 4.5 x 3.3 x 3.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 6.0 x 1.2 x 1.0 cm
Ettringite

Ettringite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 4.0 x 4.0 x 3.0 cm
Ettringite With Hausmannite

Ettringite With Hausmannite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 5.0 x 2.6 x 1.2 cm
Ettringite With Hausmannite

Ettringite With Hausmannite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 4.2 x 2.1 x 1.3 cm
Ettringite on Oyelite

Ettringite on Oyelite

N'Chwaning Mines, Kalahari Fields, South Africa
Toenail, 3.0 x 2.2 x 1.0 cm
Ettringite With Hausmannite

Ettringite With Hausmannite

N'Chwaning Mines, Kalahari Fields, South Africa
Miniature, 5.3 x 2.3 x 2.2 cm
Ettringite on Oyelite With Hausmannite

Ettringite on Oyelite With Hausmannite

N'Chwaning Mines, Kalahari Fields, South Africa
Small Cabinet, 8.8 x 5.4 x 5.6 cm