Loading, please wait...
Details
LOT 2613
Historic 'Brazil' Tourmaline Mineral Specimen
2 in. (120 grams, 53 mm).
Black variety with crystals showing striations, collection number 72. [No Reserve]
Provenance
Acquired on the UK mineral and fossil market, since 1970.
From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent.
Accompanied by an original historic index file card.
VETTING:
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.
RELATED LOTS
-
Fused Pyrite Cubes Mineral Display Specimen
Sold for (Inc. bp): £91
Comprising two large and several small intergrown cuboid crystals. 138 grams, 55 mm
From Armejun, Spain. 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. -
Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £312
A large cut and polished section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. 224 grams, 20.9 cm
From Greece. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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. -
Cornuproetus Fossil Trilobite in Matrix
Devonian Period, circa 416-359 million years B.P.Sold for (Inc. bp): £72
Displaying the striking swept-back genal spines. 131 grams, 57 mm
From a Cambridgeshire, UK, collection.