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LOT 1776
Natural History - Emerald in Biotite Mica Specimen
6 in. (680 grams, 15 cm).
A substantial specimen of green emerald crystals in biotite mica matrix; supplied in a cardboard specimen tray. [No Reserve]
ProvenanceMineral Imports, London, UK.
Ex Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Cut and Polished Agate Crystal Geode Section Group
Sold for (Inc. bp): £33
A group of four agate geode sections, each with a blue-ish or brown-ish coloured cut face. 1.46 kg total, 8.4-14.1 cm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - British Fossil Fern Group
Carboniferous Period, circa 310 million years B.P.Sold for (Inc. bp): £33
A group of three fern specimens including Alethopteris sp. and Sphenopteris laurenti. 281 grams total, 76-87 mm
From the Middle Coal Measures, Clay Cross, Derbyshire, England. From an old Oxfordshire, UK, fossil and mineral collection. -
Natural History - Blue Calcite Mineral Specimens
Sold for (Inc. bp): £33
A group of 50 blue calcite mineral specimens with waxy lustre. 514 grams total, 25-43 mm
From Mexico. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).