Geological Freeform Facetted Amethyst
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Description
A large and remarkable free-form gem-quality, facetted amethyst with fourteen major faces, good gem quality overall, with two natural internal planes. Cf. Bonewitz, Dr. Ronald Louis Smithsonian Rock and Gem, (2008), p.222-223. 268 grams (1340 carats), 78mm (3"). Ex Dr. Ronald Bonewitz collection. Crystals of gem-quality amethyst large enough to cut a stone of this size are relatively rare. Freeform cutting to this standard in a stone of this size is exceptional.
Condition
Extremely fine condition. Rare and unusual, museum quality.
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Geological Freeform Facetted Amethyst
Estimate £250 - £350
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