Some exceptional specimens of gemstones from our ‘Repository’

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 0392

— Weight: 2.64 ct; size: 14.35 | 8.06 | 3.25 mm; shape: marquise; colour: dark reddish orange. Clean specimen; very good cabochon style cut.

Agate — specimen 0393

— Weight: 2.53 ct; size: 14.24 | 7.90 | 3.14 mm; shape: marquise; colour: dark reddish orange. Clean specimen; very good cabochon style cut.

Malaia garnet — specimen 0398

— Weight: 0.13 ct; size: 3.02 | 2.98 | 1.94 mm; shape: round; colour: light orange; strong. Very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.

Malaia garnet — specimen 0399

— Weight: 0.20 ct; size: 3.51 | 3.47 | 2.21 mm; shape: round; colour: medium light strongly purplish red; slightly brownish. Very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.

Featured

Bastnäsite-(Ce)

— The most abundant rare earth elements-bearing mineral, typically hydrothermal, although primary igneous occurrences are known; in granite and alkali syenites and pegmatites; in carbonatites (Anthony et al., 2001—2005). Faceted specimens are very rare.

Specimen figured

Bastnäsite-(Ce) — specimen 0280 — weight: 0.75 ct; shape: oval. Very clean specimen; very good mixed style cut.