Ettringite on Oyelite

N'Chwaning mines, Kalahari manganese field, South Africa
Small Cabinet, 6.2 x 4.7 x 4.2 cm
Start Time: 04/05/2018 6:45:00 pm (CDT)
End Time: 04/12/2018 6:30:00 pm (CDT)
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Item Description

A sculptural opposing pair of well-terminated, soft lemon-yellow, translucent, ettringite crystals are aesthetically perched on the 3-dimensional mounded hausmannite matrix covered with botryoids of the rare hydrated borosilicate, oyelite. The large crystal is 3.3 cm long. Choice combination material.

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