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![Large Pyrite Crystal Display Group [6]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227947_900x900.jpg "Large Pyrite Crystal Display Group [6]")
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LOT 2669
Large Pyrite Crystal Display Group [6]
2 1/4 - 3 in. (1.32 kg total, 59-77 mm).
Comprising large irregular chunks. [6, No Reserve]
ProvenanceFrom Peru.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2669
Large Pyrite Crystal Display Group [6]
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
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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 Geode Slice Collection [20]](https://timelineauctions.com/upload/images/items/small/227833-s.jpg)
Cut and Polished Agate Geode Slice Collection [20]
Sold for (Inc. bp): £59
A selection of mixed shapes and sizes, two dyed. 257 grams total, 37-95 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Cut and Polished Agate Geode Half Group [6]](https://timelineauctions.com/upload/images/items/small/227945-s.jpg)
Cut and Polished Agate Geode Half Group [6]
Sold for (Inc. bp): £26
Each dyed in vibrant colours, central voids with crystal formations. 1.11 kg total, 57-85 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
