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Jewelry

Articles made from precious metals and often set with gemstones that are worn on the body for personal adornment.

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Jewelry > Gemstones

briolette
Jewelry; Gemstones

A three-dimensional tear- or pear-shaped stone with triangular facets cut across its surface. Briolettes differ from most other gemstone shapes in that they appear the same from ...

brooch
Jewelry; Gemstones

Designed to be pinned onto clothing, a brooch is an ornamental piece of jewelry that usually attaches with a pin and clasp (a bar clasp).

jasper
Jewelry; Gemstones

Jasper, a form of chalcedony, is an opaque, impure variety of silica, usually red, yellow, brown or green in color; and rarely blue. The common red color is due to iron(III) ...

opal
Jewelry; Gemstones

Opal is a hydrated amorphous form of silica; its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Because of its amorphous character it is ...

moonstone
Jewelry; Gemstones

Moonstone is a sodium potassium aluminium silicate. Its name is derived from a visual effect, or sheen, caused by light diffraction within a microstructure consisting of a regular ...

malachite
Jewelry; Gemstones

Malachite is a copper carbonate hydroxide mineral. This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or ...

turquoise
Jewelry; Gemstones

Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium. It is rare and valuable in finer grades and has been prized as a gem and ...

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