Natural History - Historic Kolwesite and Rosasite on Hemimorphite Mineral Specimen

2 1/8 in. (83 grams, 55 mm).

With chocolate-brown, brownish and greenish grey crystals, possibly from Mexico, collection number 149. [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 and a letter from the British Museum (Natural History) dated 1983 confirming the specimen to be kolwesite.

CONDITION

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.

LOT 2592