J Hoop
A hoop earring in which the hoop is elongated into a shape resembling the letter J rather
than being circular.
Jade
An ornamental stone, jade is applied to two different rocks that are made up of different silicate
minerals: nephrite jade and jadeitite. Nephrite can be found in a creamy white form as well as in
a variety of green colors, whereas jadeitite shows more color variations, including dazzling blue,
lavender-mauve, violet, emerald-green, orange, yellow, pink, brown, and black colors.
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Jasper
Jasper is an opaque, impure variety of quartz, usually red, yellow or brown in color. When the colors
are in stripes or bands, it is called striped or banded jasper.
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Jet
Jet, also called black amber or gagate, is a hard, lustrous black stone. It is a fossilized coal.
Jewelry
Ornamental adornments worn on the body composed of metals set with real or imitation gemstones,
beads and so on.
Jump Ring
A small oval or round wire ring used to link charms or pendants onto a chain. It is not usually
soldered shut.