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LOT 1789
Natural History - Amethyst Crystal Specimen Group [100]
3/4 - 1 1/4 in. (735 grams total, 21-32 mm).
Comprising large sections of amethyst, including some tips from larger crystals. [100, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Historic Cut & Polished Roman Porphyry Slice Group [4]
Sold for (Inc. bp): £208
Comprising lacquered porphyry slices of irregular shapes, cut and polished on both sides, probably recycled material mined in ancient Roman times. 204 grams total, 11-20 cm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Brown Calcite Specimen Group [10]
Sold for (Inc. bp): £1
Comprising large cut chunks. 2.76 kg total, 64-80 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Polished Fossil Goniatite and Orthoceras Stand
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £20
Both set on a textured freestanding matrix and polished to reveal the internal gas chambers. 810 grams, 16 cm high
From a Cambridgeshire, UK, collection.