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Some exceptional specimens of gemstones from our ‘Repository’


The section ‘Repository’ contains data and photos of 760 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 8 specimens of synthetic stones.

More specimens of gemstones

Johachidolite — specimen 0174Johachidolite — specimen 0174

Weight: 0.03 ct; size: 2.27 | 1.66 | 1.22 mm; shape: oval; colour: medium light orangey yellow; strong. Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Jadeite — specimen 0200Jadeite — specimen 0200

Weight: 3.01 ct; size: 11.87 | 7.82 | 3.56 mm; shape: pear; colour: medium green; slightly greyish. Clean specimen; good cabochon style cut.
Smoky quartz — specimen 0202Smoky quartz — specimen 0202

Weight: 11.11 ct; size: 16.22 | 12.25 | 7.25 mm; shape: octagon; colour: dark reddish orange. Very clean specimen; step cut style.
Jadeite — specimen 0203Jadeite — specimen 0203

Weight: 3.40 ct; size: 12.25 | 7.89 | 3.81 mm; shape: pear; colour: medium green; slightly greyish. Clean specimen; good cabochon style cut.

— 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