Ettringite on Oyelite

N'Chwaning Mines, Kalahari manganese field, South Africa
Small Cabinet, 9.7 x 8.0 x 3.1 cm
Start Time: 04/28/2019 6:30:00 pm (CDT)
End Time: 05/02/2019 6:30:00 pm (CDT)
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Item Description

A sculptural cluster of well-terminated, soft lemon-yellow, translucent, ettringite crystals is aesthetically and dramatically set on the hausmannite matrix crust covered with botryoids and crusts of the rare starkly contrasting white hydrated borosilicate, oyelite. The large crystal is 3.5 cm long. Choice and classic combination material.

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