Gemmology
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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

Emerald — specimen 0351Emerald — specimen 0351

Weight: 0.13 ct; size: 3.40 | 3.39 | 2.23 mm; shape: round; colour: light very slightly bluish green; very slightly greyish. Lightly coloured, very clean specimen; very good brilliant style cut. Source: Grey Weaver, Custom Facetor LLC.
Emerald — specimen 0353Emerald — specimen 0353

Weight: 0.09 ct; size: 2.79 | 2.75 | 1.82 mm; shape: round; colour: light very slightly bluish green; very slightly greyish. Lightly coloured, very clean specimen; very good brilliant style cut. Source: Grey Weaver, Custom Facetor LLC.
Emerald — specimen 0354Emerald — specimen 0354

Weight: 0.15 ct; size: 3.68 | 3.61 | 2.29 mm; shape: round; colour: light very slightly bluish green; very slightly greyish. Lightly coloured, very clean specimen; very good brilliant style cut. Source: Grey Weaver, Custom Facetor LLC.
Emerald — specimen 0355Emerald — specimen 0355

Weight: 0.14 ct; size: 3.12 | 3.01 | 2.24 mm; shape: octagon; colour: light very slightly bluish green; very slightly greyish. Lightly coloured, very clean specimen; good step cut style. Source: Grey Weaver, Custom Facetor LLC.
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