Gems, Precious Stones, Precious Metals - Jet Jet - Gem Color 10 - #343434
Jet is a geological material and is considered to be a minor gemstone. Jet is
not considered a true mineral, but rather a mineraloid as it has an organic
origin, being derived from decaying wood under extreme pressure.
The English noun "jet" derives from the French word for the same material:
jaiet. Jet is either black or dark brown, but may contain pyrite inclusions,
which are of brassy color and metallic lustre.
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Shown are some jet stones | |
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