Uruguay and Brazil are large world producers of Amethyst.
Oxidation is a surface treatment applied to the silver which gives the jewellery its retro quality.
A stone with facets refers to a gemstone or mineral that has been cut or shaped with multiple flat polished surfaces, known as facets. Faceting is a technique used in gemstone cutting to enhance the stone's brilliance, sparkle, and overall aesthetic appeal. Gemstones such as diamonds, rubies, emeralds, sapphires, and many others are commonly cut with facets to maximize their beauty.