Spinelle (noir) - Paire Doublet it has a flat base

it has a flat base and a faceted top

La kunzite tire sa couleur rose violacée délicate de traces de manganèse

double checkerboard

Dimension: 9

Variété : Grenat

Spinelle (noir) - Paire Doublet it has a flat baseSpinel is an increasingly popular gemstone. It has a high luster and it comes in a wide variety of colors like red, blue, purple, pink, and black. It has a high hardness (8 on the Mohs scale) and its chemical composition is very close to that of corundum (ruby and sapphire). Since 2016, spinel has been added to peridot as the birthstone for August. Black spinels are a dazzling black and are often used in jewelry. Variety: Spinel Black color