Gemmology
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Repository

Some exceptional specimens of gemstones from our ‘Repository’

Repository


The section ‘Repository’ contains data and photos of 713 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

Agate — specimen 0393Agate — specimen 0393

Weight: 2.53 ct; size: 14.24 | 7.90 | 3.14 mm; shape: marquise; colour: dark reddish orange. Clean specimen; very good cabochon style cut.
Malaia garnet — specimen 0398Malaia garnet — specimen 0398

Weight: 0.13 ct; size: 3.02 | 2.98 | 1.94 mm; shape: round; colour: light orange; strong. Very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Malaia garnet — specimen 0399Malaia garnet — specimen 0399

Weight: 0.20 ct; size: 3.51 | 3.47 | 2.21 mm; shape: round; colour: medium light strongly purplish red; slightly brownish. Very clean specimen; good brilliant style cut. Source: David Weinberg, Multicolour Gems Ltd.
Andesine — specimen 0410Andesine — specimen 0410

Weight: 0.42 ct; size: 4.99 | 4.94 | 3.24 mm; shape: round; colour: medium red; strong. Very clean specimen; good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Featured
Titanite

— Also known as sphene; a common accessory mineral in intermediate and felsic rocks, pegmatites, and alpine veins; in gneisses, schists, and some skarns (Anthony et al., 2001—2005).

Specimen figured

Titanite — specimen 0313weight: 0.62 ct; shape: round. Very clean specimen; very good mixed style cut. Source: David Weinberg, Multicolour Gems Ltd.
Titanite — specimen 0313