(1) Australia: The gems that have been discovered and mined include diamond, opal, safir, rubin, onyx, Topaz, Emerald, aquamarine, zircon, peridot, TOURMALINE, Garnet, amethyst, hibiscus, Mer enn 20 important gemstones such as rhodolite, fluorite and nephrite are written. Blant dem, opal and sapphire are the most famous. Opal production accounts for 98% of the world, […]
