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![Box of Eighteen [18] Mineral and Crystal Specimen Collection](https://timelineauctions.com/zoom_images/zoomthumb/2/5/256043_900x900.jpg "Box of Eighteen [18] Mineral and Crystal Specimen Collection")
![Box of Eighteen [18] Mineral and Crystal Specimen Collection](https://timelineauctions.com/zoom_images/zoommap/2/5/256043_200x200.jpg "Box of Eighteen [18] Mineral and Crystal Specimen Collection")
![Box of Eighteen [18] Mineral and Crystal Specimen Collection](https://timelineauctions.com/upload/images/items/256043.jpg "Box of Eighteen [18] Mineral and Crystal Specimen Collection")
LOT 2400
Box of Eighteen [18] Mineral and Crystal Specimen Collection
1/8 - 4 5/8 in. (1.45 kg total, 0.8-11.7 cm).
Boxed group of specimens including a hexagonal sapphire crystal, amethyst, lazurite, calcite, red jasper, quartz, malachite, prehnite(?), and others. [18, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2400
Box of Eighteen [18] Mineral and Crystal Specimen Collection
Sold for (Inc. bp): £33
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White Quartz Geode Slice with Amethyst Core
Circa 140-120 million years B.P.Estimate: £800 - 1,000 (+bp*)
Opening Bid: £440
Cut and polished slice showing dense intergrown layer of white quartz crystals, the centre with groups of small lavender-coloured amethyst crystals; mounted on a custom-made display stand. 4.54 kg, 34 x 25 x 2cm, 52 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Stromatolite Specimen
Sold for (Inc. bp): £33
Comprising two intergrown egg-shaped mounds, produced by the activity of ancient cyanobacteria, the sediment layers visible on the underside. 853 grams, 11.9 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. -
![Group of Ten [10] Cut and Polished Agate Geode Slices](https://timelineauctions.com/upload/images/items/small/256009-s.jpg)
Group of Ten [10] Cut and Polished Agate Geode Slices
Sold for (Inc. bp): £78
Comprising ten polished transparent to translucent slices, one showing interesting 'eye' formations, some with enhanced colouring. 593 grams total, 7.9-11.5 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
