Modern 9ct White Gold, 28 carat Bi-Colour Amethyst-Citrine (Ametrine) Necklace feed-condition-used black onyx

black onyx

Knoll & Pregizer operated between 1887 and 1975 from Pforzheim Germany

which gained great popularity thanks to its notable patron

and this ring brings to mind Zuleika Dobson in Max Beerbohm's 1911 satire of undergraduate life at Oxford

Modern 9ct White Gold, 28 carat Bi-Colour Amethyst-Citrine (Ametrine) Necklace feed-condition-used black onyxSet on a simple 9ct white gold chain, this emerald cut ametrine weighs an impressive 28 carats! This ametrine is likely from the mines in Bolivia and has a wonderful bi colour of orangey yellow with purple. Other names often used for ametrine include trystine and golden amethyst. Ametrine is a crystalline quartz consists 50 50 of amethyst and citrine. Amethysts and citrines are the same gemstone, but different temperatures and pressures in the earth