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LOT 2258
Natural History - Grade A Cut and Polished Agate Slice Collection with 'Eyes' [4]
4 1/2 - 4 5/8 in. (466 grams total, 11.5- 11.8 cm).
Comprising three examples with mainly orange and grey banding, one with grey and light brown banding; each example with a number of attractive eye-shaped formations. [4, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2258
Natural History - Grade A Cut and Polished Agate Slice Collection with 'Eyes' [4]
Sold for (Inc. bp): £13
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Natural History - Medium Green Fuchsite Mineral Specimen Group [50]
Sold for (Inc. bp): £7
Comprising large irregular specimens of light to dark green colour. 1.31 kg total, 22-74 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Dravite Tourmaline Crystal Specimen Group [8]
Sold for (Inc. bp): £20
Comprising variously sized prismatic crystals in mica. 1.32 kg total, 53-76 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Meteoritic Tektite Group [12]
Sold for (Inc. bp): £39
Meteoric glass, melted terrestrial rock splashed from an impact crater, most roughly ovoid in shape. 969 grams total, 47-83 mm
From Mexico. Ex 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.