Amethyst Gems is consists of silicon dioxide. Guptas Gems N Jewels manufactures Amethyst Gems. Guptas Gems N Jewels also manufactures Indian Hand Crafted Gem - Studded Jewellery. Amethyst Gems is purplish violet colour. The Gem has diachronic property, showing a bluish or reddish purple tinge when viewed from different angles. Amethyst has distinctive inclusions, which look like tiger-strips, thumbprints or feathers. Some amethyst is heat-treated to change colour to yellow [citrine]. It is available with vitreous lustre and 7.00 hardness.
