NATURAL HISTORY - LILAC AMETHYST 'PORCUPINE' MINERAL SPECIMEN A fine, knob-shaped 'porcupine' of lilac purple amethyst crystals, in white card tray. 404 grams, 95mm (3 3/4"). Extremely fine condition. [No Reserve] Provenance From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-2014); formerly with Gregory, Bottley & Co. (1932-1981) and previously with J. R. Gregory & Co. (1898-1932); originally in the collection of the famous James Reynolds Gregory (1858-1898). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert Dr. Ronald Bonewitz.
NATURAL HISTORY - LILAC AMETHYST 'PORCUPINE' MINERAL SPECIMEN A fine, knob-shaped 'porcupine' of lilac purple amethyst crystals, in white card tray. 404 grams, 95mm (3 3/4"). Extremely fine condition. [No Reserve] Provenance From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-2014); formerly with Gregory, Bottley & Co. (1932-1981) and previously with J. R. Gregory & Co. (1898-1932); originally in the collection of the famous James Reynolds Gregory (1858-1898). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert Dr. Ronald Bonewitz.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
