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

Danburite — specimen 0501Danburite — specimen 0501

Weight: 1.05 ct; size: 7.65 | 5.10 | 3.65 mm; shape: octagon; colour: colourless. Very clean specimen; very good radiant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Danburite — specimen 0502Danburite — specimen 0502

Weight: 0.74 ct; size: 6.69 | 4.64 | 3.45 mm; shape: octagon; colour: colourless. Very clean specimen; very good radiant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Triplite — specimen 0587Triplite — specimen 0587

Weight: 0.11 ct; size: 3.07 | 2.98 | 1.82 mm; shape: cushion triangle; colour: medium light orangey red; strong. Very clean specimen; very good mixed style cut. Source: John Bradshaw, Coast to Coast Rare Stones International.
Diamond — specimen 0599Diamond — specimen 0599

Weight: 0.04 ct; size: 2.18 | 2.16 | 1.37 mm; shape: round; colour: colourless. Very clean specimen; very good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Featured
Gadolinite-(Y)

— In granite and alkalic granite pegmatites (Anthony et al., 2001—2005). Faceted specimens are extremely rare.

Specimen figured

Gadolinite-(Y) — specimen 0087weight: 2.21 ct; shape: octagon. Clean, opaque specimen; very good step cut style. Source: John Bradshaw, Coast to Coast Rare Stones International.
Gadolinite-(Y) — specimen 0087