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LOT 2812
A Collection of Very Large Rock Crystal Mineral Specimens
2 5/8 - 5 3/8 in. (2.85 kg total including box, 6.8-13.5 cm).
A boxed group of sizable, clear quartz crystals with pyramidal terminations. [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 2812
A Collection of Very Large Rock Crystal Mineral Specimens
Sold for (Inc. bp): £78
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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 Seventy [70] Amethyst Crystal Geode Sections
Sold for (Inc. bp): £13
Boxed group of dark to light purple amethyst crystals on geode sections. 3.96 kg total including box, 10-74 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Ten [10] Mixed Cut and Polished Agate Geode Slices From Brazil
Sold for (Inc. bp): £72
Comprising ten translucent to opaque slices, some showing quartz crystals, two dyed. 540 grams total, 5.2-13.4 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.