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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

Hyacinth — specimen 0051Hyacinth — specimen 0051

Weight: 0.42 ct; size: 4.52 | 4.50 | 2.65 mm; shape: round; colour: medium light yellow; very slightly brownish. Very clean specimen; very good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Green beryl — specimen 0059Green beryl — specimen 0059

Weight: 0.66 ct; size: 6.57 | 5.45 | 3.38 mm; shape: oval; colour: light very slightly bluish green; very slightly greyish. Very clean specimen; mixed style cut with large window. Source: David Weinberg, Multicolour Gems Ltd.
Topaz — specimen 0070Topaz — specimen 0070

Weight: 1.35 ct; size: 5.96 | 5.92 | 4.12 mm; shape: octagon; colour: medium dark very strongly greenish blue; very slightly greyish. Very clean specimen of ‘London blue’ colour variety; step style cut; good polish.
Variscite — specimen 0076Variscite — specimen 0076

Weight: 4.75 ct; size: 16.75 | 10.08 | 3.61 mm; shape: oval; colour: medium light green; slightly greyish. Clean specimen; 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