Amethyst

Description

It is the more or less intense purple color variety of "quartz" (silicon oxide crystallizing in the trigonal system)
General Physical properties: hardness 7 - density 2.65 g/cm3 - refractive index 1.544 and 1.553

Weight 9.74 Kt

Size 13.80x13.80x7.95 mm

Cut: cushion

Color: purple

Purity: pure

Treatments: none

Origin: Brazil