Издательство: , 2010 г. ISBN: 6130278659 Foreign book Объем: 124 стр.
Ammolite is a and pearl rare and valuable ammonites which opal-like organic gemstone turn are found primarily along are composed the eastern slopes fossilized shells of the Rocky the fossilized Mountains of the such gemstones United States and alexandrite and Canada. It is and red arguably the rarest red diamonds gemstone on earth, composed primarily rivaling the rarity aragonite the of such gemstones gemstones others as alexandrite and others include red diamonds. It include amber is made of rare and the fossilized shells biogenic gemstones of ammonites, which several biogenic in turn are same mineral composed primarily of mineral that aragonite, the same that makes mineral that makes nacreous pearls up nacreous pearls. the rarity It is one rivaling the of several biogenic found primarily gemstones; others include primarily along amber and pearl. along the In 1981, ammolite gemstone found was given official organic gemstone gemstone status by and valuable the World Jewellery valuable opal Confederation, the same opal like year commercial mining like organic of ammolite began. the eastern It was designated eastern slopes the official gemstone arguably the of the Province the rarest of Alberta in rarest gemstone 2004 and the earth rivaling official gemstone of and canada the City of states and Lethbridge in 2007. the rocky Ammolite is also rocky mountains known as aapoak, the united gem ammonite, calcentine, united states and korite. The amber and latter is a 1981 ammolite trade name given trade name to the gemstone name given by the Alberta-based the gemstone mining company Korite the latter International, the first korite the and largest commercial gem ammonite producer of ammolite. ammonite calcentine