Gemmology
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Repository

Some exceptional specimens of gemstones from our ‘Repository’

Repository


The section ‘Repository’ contains data and photos of 745 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

Milky quartz — specimen 0042Milky quartz — specimen 0042

Weight: 3.42 ct; size: 10.90 | 8.07 | 5.08 mm; shape: octagon; colour: very light grey. Very clean specimen; good step style cut.
Indicolite — specimen 0043Indicolite — specimen 0043

Weight: 0.29 ct; size: 4.17 | 4.16 | 2.70 mm; shape: round; colour: light bluish green; strong. Very clean specimen; very good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Milky quartz — specimen 0044Milky quartz — specimen 0044

Weight: 1.76 ct; size: 9.89 | 7.82 | 4.48 mm; shape: oval; colour: very light grey. Very clean specimen; good mixed style cut.
Malaia garnet — specimen 0048Malaia garnet — specimen 0048

Weight: 1.10 ct; size: 6.54 | 5.48 | 3.90 mm; shape: oval; colour: light red; very slightly brownish. Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Featured
Epidote

— Characteristic of several facies of regionally metamorphosed rocks and some contaminated felsic igneous rocks; in contact zones between igneous and calcareous sedimentary rocks; from alteration of plagioclase (Anthony et al., 2001—2005). Faceted specimens are rare.

Specimen figured

Epidote — specimen 0054weight: 0.52 ct; shape: octagon. Very clean specimen; very good step cut style. Source: John Bradshaw, Coast to Coast Rare Stones International.
Epidote — specimen 0054