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Some exceptional specimens of gemstones from our ‘Repository’


The section ‘Repository’ contains data and photos of 728 specimens of gemstones. The smallest is just 1.96 mm (0.02 ct) ruby from Mozambique, and the largest — 70.11 mm (326.60 ct) rock crystal from Africa.

Additionally there are 7 specimens of synthetic stones.

More specimens of gemstones

Titanite — specimen 0016Titanite — specimen 0016

Weight: 0.66 ct; size: 5.24 | 5.19 | 3.57 mm; shape: round; colour: medium orangey yellow; very slightly brownish. Very clean specimen; very good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Carnelian — specimen 0020Carnelian — specimen 0020

Weight: 6.61 ct; size: 12.04 | 12.04 | 5.90 mm; shape: square cushion; colour: medium orange; strong. Clean specimen; very good cabochon style cut.
Carnelian — specimen 0021Carnelian — specimen 0021

Weight: 6.56 ct; size: 12.05 | 12.01 | 5.84 mm; shape: square cushion; colour: medium orange; strong. Clean specimen; very good cabochon style cut.
Cordierite — specimen 0025Cordierite — specimen 0025

Weight: 0.21 ct; size: 5.04 | 3.02 | 2.47 mm; shape: oval; colour: medium light blue; very slightly greyish. Very clean specimen; good mixed style cut. Source: Gary Eisenberg, Knoxville, Tennessee.

— Common in the oxidised zone of lead deposits, where it may constitute an important ore (Anthony et al., 2001—2005). Faceted specimens are very rare. The largest faceted stone is a 408 carat from Tsumeb, Namibia (Arem, 1987: 64).

Specimen figured

Cerussite — specimen 0029weight: 3.71 ct; shape: octagon. Very clean specimen; very good step cut style. Source: John Bradshaw, Coast to Coast Rare Stones International.
Cerussite — specimen 0029