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LOT 2757
Large Pink Dolomite Crystal Display Slab
5 3/8 in. (1.05 kg, 13.6 cm).
An irregular slab of light pink crystals with dusting of marcasite. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Historic 'Australia' Boulder Opal Mineral Specimen
Sold for (Inc. bp): £156
The matrix showing pale sky-blue opal, collection number 425, with an old James Walker label. 34.8 grams, 39 mm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card. -
![Natural Uncut Gem Quality Topaz Crystals [2]](https://timelineauctions.com/upload/images/items/small/227960-s.jpg)
Natural Uncut Gem Quality Topaz Crystals [2]
Sold for (Inc. bp): £59
Comprising two roughly rectangular crystals, one light yellow and the other a light orange in colour. 1.85 grams total, 8-10 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Meteorite Crater Tektite Specimen Collection [5]](https://timelineauctions.com/upload/images/items/small/227927-s.jpg)
Meteorite Crater Tektite Specimen Collection [5]
Sold for (Inc. bp): £46
Pebble-like black specimens of meteoric glass of various shapes and sizes. 150 grams total, 31-86 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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.
