Spinelle (noir) - Paire Spinelle / Spinel Inclusions of iron oxide (Fe)

Inclusions of iron oxide (Fe) and the presence of manganese (Mn) give rise to dendritic patterns reminiscent of branches or frost

Traitement : Chauffage

Dimensions: 41

spinel has been added to peridot as the birthstone for August

Forme et taille : Tranche freeform

Spinelle (noir) - Paire Spinelle / Spinel Inclusions of iron oxide (Fe)Spinel 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