Polished Amethyst Crystal Geode Display with Calcite

CRETACEOUS PERIOD, CIRCA 120-140 MILLION YEARS B.P.

10 5/8 x 7 7/8 x 4 in. (5.68 kg, 27 x 20 x 10 cm).

The outer layer of green celadonite beautifully polished, the interior with dark purple prismatic amethyst crystals, and at the top, an aggregate of white rhombohedral calcite crystals; mounted on a custom-made display stand.

Provenance

From Artigas, Uruguay.
Property of a London lady.

CONDITION

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AUCTIONS:

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LOT 0443