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![Large Polished and Felt-Backed Agate Coaster Set of Six [6]](https://timelineauctions.com/zoom_images/zoomthumb/2/5/251023_900x900.jpg "Large Polished and Felt-Backed Agate Coaster Set of Six [6]")
![Large Polished and Felt-Backed Agate Coaster Set of Six [6]](https://timelineauctions.com/zoom_images/zoommap/2/5/251023_200x200.jpg "Large Polished and Felt-Backed Agate Coaster Set of Six [6]")
![Large Polished and Felt-Backed Agate Coaster Set of Six [6]](https://timelineauctions.com/upload/images/items/251023.jpg "Large Polished and Felt-Backed Agate Coaster Set of Six [6]")
LOT 2820
Large Polished and Felt-Backed Agate Coaster Set of Six [6]
3 7/8 - 5 1/2 in. (756 grams total, 9.7-13.9 cm).
In graduating sizes and showing contrasting banding. [6, No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2820
Large Polished and Felt-Backed Agate Coaster Set of Six [6]
Sold for (Inc. bp): £39
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Historic Spartan Basalt Cut and Polished Dark Green Porphyry Slab
Sold for (Inc. bp): £1,170
Cut and polished section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times; mounted on a custom-made metal display stand. 9.82 kg total, 44 cm including stand
Acquired on the UK art market since the 1990s. From the private collection of a Somerset gentleman.
Also known as Lapis Lacedaemonius and Porfido Verde Antico, a type of green porphyry quarried in Greece. Spartan basalt is a form of andesite or volcanic rock known today only from a single source in the village of Krokees on the Peloponnese in Greece. In addition, ancient sources mention a quarry of Lapis Lacedaemonius in Taygetus. -
Group of Five Polished Fossil Coral Head Hearts
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £13
Each cut to a heart shape and polished to reveal the internal structure. 125 grams total, 32-38 mm
From a Cambridgeshire, UK, collection. -
Complete Unopened 'Discovery' Agate Crystal Geodes
Sold for (Inc. bp): £20
A trio of rounded geodes, each unopened. 518 grams total, 49-69 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
