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LOT 2656
Very Large Selenite Satin Spar Wand
13 3/8 in. (345 grams, 34 cm).
A large section of a crystal wand with twinning. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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![Unpolished Large Fossil Tree Branch Section Group [20]](https://timelineauctions.com/upload/images/items/small/227816-s.jpg)
Unpolished Large Fossil Tree Branch Section Group [20]
Triassic Period, 251-199 million years B.P.Sold for (Inc. bp): £33
Comprising twenty cut sections of petrified tree branches. 1.34 kg total, 45-72 mm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £33
A large cluster of silicon carbide showing beautiful iridescence. 1 kg, 16 cm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Carborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals. -
![Cut and Polished Agate Crystal Geode Half Collection [10]](https://timelineauctions.com/upload/images/items/small/227847-s.jpg)
Cut and Polished Agate Crystal Geode Half Collection [10]
Sold for (Inc. bp): £20
Each pebble cut and polished, showing banding and some with a crystal filled cavity. 1.78 kg total, 66-77 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
