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LOT 2207
Natural History - Anhydrite Mineral Specimen Slab
6 3/4 in. (691 grams, 17 cm).
Comprising a large rectangular matrix with quartz, the upper face with calcite and large bladed anhydrite crystals. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Dravite Tourmaline Crystal Specimen Group [11]
Sold for (Inc. bp): £20
Comprising variously sized specimens in mica. 366 grams total, 16-49 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Pale Purple Amethyst Crystal Display Slab
Sold for (Inc. bp): £26
On a large circular matrix, with well-formed prismatic lavender-coloured amethyst crystals with sprinkling of chalcopyrite. 972 grams total, 16 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Speculator Trilobite
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £59
Phacops speculator specimen on a matrix, clearly showing the external structures. 160 grams, 79 mm
From the Hamar Laghdad Formation, Atlas Mountains, Pragian, (Alnif), Morocco, North Africa. From an old Oxfordshire fossil and mineral collection.