(1) Австралия: The gems that have been discovered and mined include diamond, opal, сапфир, лағыл, onyx, топаз, изумруд, аквамарин, Циркон, peridot, турмалин, гранат, аметст, hibiscus, More than 20 important gemstones such as rhodolite, fluorite and nephrite are written. Олардың арасында, opal and sapphire are the most famous. Opal production accounts for 98% of the world, […]
