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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

Agate — specimen 0124Agate — specimen 0124

Weight: 4.37 ct; size: 13.15 | 13.13 | 3.25 mm; shape: round; colour: dark reddish orange. Clean specimen; very good cabochon style cut.
Ametrine — specimen 0128Ametrine — specimen 0128

Weight: 6.53 ct; size: 11.96 | 9.36 | 7.19 mm; shape: octagon; colour: light bluish violet; strong. Very clean specimen; step cut style.
Andesine — specimen 0129Andesine — specimen 0129

Weight: 0.43 ct; size: 5.03 | 4.98 | 3.24 mm; shape: round; colour: medium red; strong. Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Moonstone — specimen 0131Moonstone — specimen 0131

Weight: 1.00 ct; size: 7.07 | 5.16 | 3.72 mm; shape: oval; colour: medium reddish orange; slightly brownish. Clean specimen; cabochon style cut.

— In granite and alkalic granite pegmatites (Anthony et al., 2001—2005). Faceted specimens are extremely rare.

Specimen figured

Gadolinite-(Y) — specimen 0087weight: 2.21 ct; shape: octagon. Clean, opaque specimen; very good step cut style. Source: John Bradshaw, Coast to Coast Rare Stones International.
Gadolinite-(Y) — specimen 0087