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 8,94 Kt

Size 16.20x12.10x8.00 mm

Cut: mixed with oval shape

Color: purple

Purity: pure

Treatments: none

Origin: Brazil