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Gemstones

Contributors in Gemstones

Gemstones

Precious (gemstone)

Fashion; General jewelry

Traditionally, the four precious gemstones are diamond, ruby, sapphire and emerald. But other gems have also been labelled precious at times, including opal and amethyst. Today, the distinction ...

Point

Fashion; General jewelry

A gemstone unit weight equal to 1/100 of a carat.

cabochon cut

Fashion; General jewelry

A gem that is cut round without facets into the shape of a smooth polished dome. It lacks the facets that are on most stones.

Hematite

Jewelry; Gemstones

Hematite is the mineral form of oil oxide, one of several iron oxides.

Amethyst

Jewelry; Gemstones

Amethyst is one of the better-known members of the quartz family.

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