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

Green 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 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 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.

Variscite — specimen 0077

— Weight: 4.67 ct; size: 20.15 | 8.25 | 3.73 mm; shape: oval; colour: medium light green; slightly greyish. Clean specimen; cabochon style cut.

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.