Amethyst Mineral Bracelet 19.5cm / 10mm Beads / 26g / BA326

Amethyst belongs to the silicate group. It is primarily composed of silicon. Its chemical formula is the same as that of quartz or agate: SiO2.
It is a variety of Quartz with a purple color due to the iron it contains.

Amethyst has a hardness of 7/10 and a density of 2.7 (1 for water). The line on the porcelain is white.
AMETHYST is usually found in geodes, and those from Brazil produce large pyramidal crystals, while those from Uruguay are a deep purple and smaller.