Amethyst, the purple variety of quartz, owes its color to iron and natural irradiation — from delicate lilac to deep royal purple with red flashes. Historically as prized as ruby until Brazilian discoveries made it accessible, it remains February’s birthstone and a jewelry classic. Hardness 7; principal origins Brazil, Uruguay, Zambia.Every amethyst at GEMIC Institute is natural, certified in our Siem Reap laboratory and shown in real photos and video. Each gem is a unique piece with worldwide tracked shipping and our 30-day guarantee.