Jet 10mmJet is a semi precious gemstone and is a plant based mineraloid, meaning it's mineral like. It's also extremely an extremely rare organic gemstone alongside amber, pearl, and coral. Jet forms from wood decomposition and is very light weight. Jet comes from fossilized wood of trees that died millions of years ago making this stone a true piece of history. Jet can act as a purifier, attempting to draw and dispel any unwanted energy while at the same