Vintage 14K Yellow Gold Dangle Earrings Featuring Ammolite Fossil

Gorgeous Ammolite, displaying a rainbow spectrum of spectacular colors. 1 1/8" Length x 1 1/4" Width, 1.3 Grams. Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America. It is the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineral contained in nacre, with a microstructure inherited from the shell. It is one of few biogenic gemstones; others include amber and pearl. In 1981, Ammolite was given official gemstone status by the World Jewellery Confederation (CIBJO) Very good condition.