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 728 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 7 specimens of synthetic stones.

More specimens of gemstones

Variscite — specimen 0076Variscite — 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 0077Variscite — 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.
Rose quartz — specimen 0079Rose quartz — specimen 0079

Weight: 4.31 ct; size: 14.84 | 8.42 | 5.61 mm; shape: oval; colour: very light purple. Very clean specimen; mixed style cut.
Petschite — specimen 0081Petschite — specimen 0081

Weight: 0.20 ct; size: 5.06 | 2.97 | 2.08 mm; shape: oval; colour: light blue; very slightly greyish. Very clean specimen; good mixed style cut. Source: Gary Eisenberg, Knoxville, Tennessee.
Featured
Kyanite

— In gneisses, schists, included pegmatites, and quartz veins, from regional metamorphism of sedimentary rocks (Anthony et al., 2001—2005).

Specimen figured

Kyanite — specimen 0481weight: 0.59 ct; shape: oval. Clean specimen; mixed style cut; good polish.
Kyanite — specimen 0481