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_900x900.jpg "Natural History - Galena with Quartz and Sphalerite Crystal Specimen")
_200x200.jpg "Natural History - Galena with Quartz and Sphalerite Crystal Specimen")
.jpg "Natural History - Galena with Quartz and Sphalerite Crystal Specimen")
LOT 1866
Natural History - Galena with Quartz and Sphalerite Crystal Specimen
2 3/4 in. (189 grams, 68 mm).
A lead grey galena matrix with clusters of black sphalerite crystals and a large quantity of well-formed clear prismatic quartz crystals; supplied in a carboard specimen tray. [No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 1866
Natural History - Galena with Quartz and Sphalerite Crystal Specimen
Sold for (Inc. bp): £33
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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 - English Fossil Crab Group
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £7
A pair of fossilised Zanthopsis leachi (Desmarest) crabs. 89 grams total, 46 mm wide
From the Isle of Sheppey, Kent, UK. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection. -
Natural History - Caledonia Mine Native Copper Specimen Group
Sold for (Inc. bp): £7
A group of 13 Caledonia mine native copper specimens, each mounted on foam and held in a white card collector's tray accompanied by an identification label; accompanied by typed labels reading 'Michigan copper ore. Calumet and Helca conglomerate centennial #6 mine Houghton Co., Michigan.' 209 grams total, 41 mm each including box
From Caledonia Mine, Ontonagon County, Michigan, USA. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
