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

Peridot — specimen 0312

— Weight: 0.34 ct; size: 4.45 | 4.42 | 2.69 mm; shape: round; colour: medium yellowish green; very slightly greyish. Very clean specimen; very good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.

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.

Featured

Scolecite

— Primarily in cavities in basalts; in gneisses and amphibolites, and in dikes derived from syenitic magmas (Anthony et al., 2001—2005). Extreme rarity as faceted specimens.

Specimen figured

Scolecite — specimen 0068 — weight: 0.54 ct; shape: octagon. Very clean specimen; step cut style; good polish. Source: John Bradshaw, Coast to Coast Rare Stones International.