Gemmology
English | Български
Where am I? > Home > Repository


Gallery view selector

Colour selector
Simple colour schemeredorangey redreddish orangeorangeorangey yellowyellowgreenish yellowyellowish greenslightly yellowish greengreenvery slightly bluish greenbluish greenvery strongly bluish greengreen-blue or blue-greenvery strongly greenish bluevery slightly greenish bluebluevioletish bluebluish violetvioletbluish purplepurplereddish purplestrongly purplish redslightly purplish redcolourlessgreyblack
Repository

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

Amazonite — specimen 0101Amazonite — specimen 0101

Weight: 4.64 ct; size: 12.05 | 9.76 | 5.53 mm; shape: oval; colour: medium very strongly bluish green; slightly greyish. Clean specimen; cabochon style cut.
Moonstone — specimen 0106Moonstone — specimen 0106

Weight: 4.04 ct; size: 10.11 | 8.12 | 6.48 mm; shape: oval; colour: medium light orange; very slightly brownish. Clean specimen; cabochon style cut.
Väyrynenite — specimen 0115Väyrynenite — specimen 0115

Weight: 0.08 ct; size: 2.46 | 2.44 | 1.89 mm; shape: round; colour: medium light strongly purplish red; slightly brownish. Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Agate — specimen 0119Agate — specimen 0119

Weight: 4.42 ct; size: 13.33 | 13.30 | 3.20 mm; shape: round; colour: dark reddish orange. Clean specimen; very good 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 0075weight: 1.48 ct; shape: oval. Very clean specimen; mixed style cut; good polish. Source: John Bradshaw, Coast to Coast Rare Stones International.
Actinolite — specimen 0075