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LOT 1966
Natural History - Crystal Geode Nodule
5 3/4 - 6 in. (2.57 kg total, 14.5 -15.2 cm).
Two halves of a crystal geode, exposing colour-enhanced crystals to the inner surfaces. [2, No Reserve]
ProvenanceEx Cambridgeshire, UK, collection.
CONDITIONTimeLine 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 - Gypsum Mineral Blade Group
Sold for (Inc. bp): £1
A group of over 160 gypsum blades. 1.1 kg total, 10-80 mm
Fair condition.
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Rastellum Fossil Bivalve
Jurassic Period, circa 155 million years B.P.Sold for (Inc. bp): £33
A Rastellum carinatum fossil bivalve; held in a card collector's tray. 105 grams, 61 mm
From Madagascar. Ex Cambridgeshire, UK, collection.
Rastellum carinatum specimens have wide, angled ribs that have led to it being called the 'denture clam'; the zig-zag join between the two shells stopped coarse dirt and debris entering the shell and damaging its soft body. Like modern oysters, it lived in shallow coastal waters including the interstitial zone and fed on food particles that it filtered out of the sea water. -
Natural History - Fossil Brittle Star Group
Ordovician Period, 485-444 million years B.P.Sold for (Inc. bp): £13
A group of three brittle stars Ophiuroidea sp. on matrix. 473 grams total, 9.5-10.1 cm
From El Kaid Errami, Tafilalt, Morocco, North Africa. From an old German collection.
