Amethyst gemstones ranges in colour from deep
purple to pale lilac. The most popular varieties of this gem are found in
Africa and South America. The name amethyst
derives from the Greek word amethystos, which means "not drunk". It
was used from that period through to the middle ages to help maintain clarity
and sobriety when having the odd goblet or two. There are countless references
to this in ancient Roman texts . Quartz will commonly contain trace amounts of iron (in the range of
10's to 100's parts per million of iron. The colour in amethyst comes from colour
centres in the quartz. These are created when trace amounts of iron are
irradiated (from the natural radiation in the rocks) .
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Ref:5865 Amethyst 10mm Triangular Gemstone Cabochon 5mm Profile 3ct/0.6gm Fo..
Ref:5657 Amethyst 12mm Round Gemstone Cabochon 6.5mm profile, approx 7ct/1.4gm, app..
Ref:0467 Amethyst 14x10mm Oval Gemstone Cabochon 7mm profile 7ct/1.4gm ..
Ref:0887 Amethyst 17mm Loose Stalactite Gemstone Slice 5mm profile 10ct/2gm ..
Ref:12672 Amethyst 17mm Loose Stalactite Gemstone Slice 5mm profile 11.5 ct/2.3 g ..
Ref:10891 Amethyst 17mm Loose Stalactite Gemstone Slice 5mm profile 10.5 ct/2.1 g ..
Ref:44597 Amethyst20mm Round Loose Gemstone Cabochon10mm profile30 ct/6.0 g..
Amethyst 22x18mm Oval Loose Gemstone Cabochon 9mm profile 29.75 ct/ 5.95 g ..
Amethyst 24x18mm Oval Loose Gemstone Cabochon 10.5mm profile 33.25 ct/ 6.65 g ..
Amethyst 26mm Round Loose Gemstone Cabochon 9mm profile 46.60 ct/ 9.32 g ..
Ref:44591 Amethyst34x20mm Semi-Circular Loose Gemstone Cabochon9mm profile51.5 ct/10.3 g..
Ref:24261 Amethyst28x20mm Oval Loose Gemstone Cabochon12.5mm profile51 ct/10.2 g..
Ref:3382 Amethyst 5mm Round Gemstone Cabochon Pair 2.5mm profile 1ct/0.2gm &n..
Ref:6573 Amethyst 7mm Round Gemstone Cabochon Pair 3.5mm profile 3ct/0.6gm &n..
Amethyst 8mm Round Loose Gemstone Cabochon Pair 4.5mm Profile 4.5 ct..
Ref:6642 Amethyst 9mm Round Gemstone Cabochon Pair 4.5mm profile 6ct/1.2gm &n..
Amethyst 9x7mm Oval Loose Gemstone Cabochon Pair 4mm profile 4ct/0.8gm ..
Amethyst18x13mm Oval Fantasy Cut Loose Gemstone9mm profile12.5 ct / 2.5 g..
Amethyst15x11mm Oval Fantasy Cut Loose Gemstone6.5mm profile7 ct / 1.4 g..
Amethyst 10x14mm Oval Faceted Loose Gemstone 7mm profile approx. 5.0 ct / 1.0 g, approx...
Amethyst 10x5mm Marquise Cut Loose Faceted Gemstone Pair 4.5 mm profile approx. 2.0 c..
Amethyst 12x8mm Drop Cut Faceted Loose Gemstone 6 mm profile approx.2.5 ct / 0.5 g approx...
Amethyst13.5mm Round Fantasy Cut Loose Gemstone8mm profile7.3 ct / 1.46 g..
Amethyst13mm Round Fantasy Cut Loose Gemstone7.5mm profile6.45ct / 1.29g ..
Amethyst13mm Square Fantasy Cut Loose Gemstone7.5 mm profile8.45 ct / 1.69 g..
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