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Six cuprian liddicoatite tourmalines
Cuprian Liddicoatite Tourmaline

Identifies 13 copper-bearing tourmalines, which have traditionally been assumed to be elbaite species, as liddicoatite.

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The Argyle Pink Diamonds in a row: oval shaped Fancy Deep pink, cushion cut Fancy purple pink, cushion cut Fancy Red, radiant shaped Fancy red and radiant shaped Fancy Deep gray violet.
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Hong Kong 2017: Demand Up, But Spotty

A market report from the September Hong Kong show, including the Argyle tender, synthetic diamonds and coloured gemstones.

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A round, bright red gem displayed on a dark gray background.
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The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are surefire accessories for sultry summer days.

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Multi-colored gems are superimposed on an image of glacier peaks.
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Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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