Shungite
Shungite is a particularly hard variety of Jet found only in Russia. Jet and Shungite are petrified coal; noncrystalline carbon with a metastable structure incapable of graphitization. Hardness 4 on the Mohs scale.
$5.00
$65.00
$48.00 – $60.00
$52.00
Out of stock
$75.00
$120.00 – $350.00