Large Group of Forty-Two [42] Cleaved Optical Calcite Specimens

拍品描述

Comprising forty-two calcite rhombs displaying characteristic double refraction. 1.54 kg total, 24-42 mm (1 - 1 5/8 in.). [42, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. TimeLine Auctions follows a rigorous 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. See our website for more information.

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