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LOT 1967
Natural History - Quartz Crystal Group
1 1/8 - 1 1/2 in. (470 grams total, 28-40 mm).
A group of 50 'clear' quartz crystal specimens, most hexagonal in section and a number with points. [50, No Reserve]
ProvenanceFrom Brazil.
Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Natural History - Large Meteoritic Tektite Group
Sold for (Inc. bp): £169
A group of ten large tektite meteoric glass, melted terrestrial rock splashed from an impact crater, most roughly ovoid in shape. 850 grams total, 41-52 mm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments. -
Natural History - Cut Unpolished Malachite Crystal Slice Group
Sold for (Inc. bp): £59
A group of three unpolished cut malachite slices. 442 grams total, 16.2-17 cm
From D.R. Congo. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Bivalve Group
Jurassic Period, circa 150 million years B.P.Sold for (Inc. bp): £26
A pair of fossilised bivalves. 434 grams total, 71-83 mm
From the Morondava River Basin, Atsimo-Andrefana region, Southwest Madagascar. From an old Oxfordshire, UK, fossil and mineral collection.
