(1) Австралия: The gems that have been discovered and mined include diamond, опал, Сапфир, Руби, оникс, Топаз, Изумруд, Аквамарин, Циркон, перидот, Турмалин, гранат, Аметист, hibiscus, Повече от 20 important gemstones such as rhodolite, fluorite and nephrite are written. Сред тях, opal and sapphire are the most famous. Opal production accounts for 98% of the world, […]
