Ettringite With Hausmannite
Miniature, 5.5 x 4.0 x 4.0 cm
N'Chwaning Mines, Kalahari Fields, South Africa

A sharp 2.6-cm-long, doubly-terminated crystal sits atop this richly covered matrix knob, overhanging a carpet of sparkling micro-hausmannite crystals. Although not large for the pocket, this is a good matrix ettringite piece of unusual contrast, and one of our few matrix miniatures

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