Posted by: macadmin on 05.14.2020 | Filed under:


Specimen # 200232
Mineral: Ettringite
Location: N'Chwaning II Mine, Kalahari Manganese Fields, Northern Cape Province, South Africa
Size: 4.3 x 2.6 x 2.1 cm


Detailed Description

Bright yellow ettringite crystals in a vug of sparkling manganese oxide. The ettringite crystals are actually zoned, with a thin transparent outer zone and a brightly coloured internal zone. At the tip of the larger crystal, the outer layer is missing, revealing the internal layer. In excellent condition, a fine example of this unusual species.

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