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![Orange Calcite Mineral Specimen Group [100]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227825_900x900.jpg "Orange Calcite Mineral Specimen Group [100]")
![Orange Calcite Mineral Specimen Group [100]](https://timelineauctions.com/zoom_images/zoommap/2/2/227825_200x200.jpg "Orange Calcite Mineral Specimen Group [100]")
![Orange Calcite Mineral Specimen Group [100]](https://timelineauctions.com/upload/images/items/227825.jpg "Orange Calcite Mineral Specimen Group [100]")
LOT 2729
Orange Calcite Mineral Specimen Group [100]
1 - 2 in. (1.15 kg total, 24-51 mm).
Comprising variously sized chunks in vibrant orange colour. [100, No Reserve]
ProvenanceFrom Mexico.
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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
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Polished Fossil Orthoceras and Goniatite Stand
Devonian Period, circa 400-354 million years B.P.Sold for (Inc. bp): £26
Comprising a Goniatite sp. and a Orthoceras sp. set on a freestanding textured matrix. 946 grams, 15.9 cm
From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
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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. -
Opened Crystal Geode with 'Lid'
Sold for (Inc. bp): £13
Comprising a freestanding geode, opened at the top to reveal the quartz crystal filled cavity within. 275 grams total, 62-80 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
