Cognac AMBER Sterling Silver Gemstone Square Stud Earrings 925 - 7 x 7 mm (ARST02101817)An elegant pair of square shaped Cognac Amber studs set in an elegant Sterling Silver design. Amber is technically not a gemstone or mineral, but a fossilised sap from prehistoric trees that has aged over the course of millions of years. Amber is usually thought of as yellow golden in hue, but amber also can be found in shades of milky white, red orange, green, black and even (very rarely) violet. Early physicians prescribed amber for headaches, heart