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

Diamond — specimen 0315

— Weight: 0.03 ct; size: 1.97 | 1.97 | 1.17 mm; shape: round; colour: colourless. Very small, very clean specimen; good brilliant style cut.

Ruby — specimen 0318

— Weight: 0.11 ct; size: 2.67 | 2.63 | 2.00 mm; shape: round; colour: medium dark purple; strong. Small, very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.

Agate — specimen 0321

— Weight: 2.60 ct; size: 8.08 | 8.08 | 5.10 mm; shape: round; colour: dark very slightly bluish green. Clean specimen; cabochon style cut.

Agate — specimen 0322

— Weight: 2.25 ct; size: 8.09 | 8.09 | 4.54 mm; shape: round; colour: dark very slightly bluish green. Clean specimen; cabochon style cut.

Featured

Actinolite

— Produced by regional or contact metamorphism of magnesium carbonate, mafic, or ultramafic rocks (Anthony et al., 2001—2005). Faceted specimens are extremely rare.

Specimen figured

Actinolite — specimen 0075 — weight: 1.48 ct; shape: oval. Very clean specimen; mixed style cut; good polish. Source: John Bradshaw, Coast to Coast Rare Stones International.