Spinel

Description

Magnesium and aluminum oxide which takes on different colors depending on the presence of iron, zinc and above all manganese instead of magnesium while instead of aluminum there may be iron or chromium; crystallizes in the cubic system

General physical properties: hardness 8 - density from 3.58 to 3.61 g / cm ³ - refractive index 1.71 mono-refractive

Weight 1.77 ct

Size 6.80x6.50x4.50 mm

Cut: cushion

Color: deep pink (very rare variety)

Purity: pure

Treatments: none

Origin: Sri-Lanka