What are the most valuable gemstones in Australia?
Various opals can be mined around Australia, but generally only from in specific areas in Queensland, New South Wales, and South Australia. The shining beauty comes in several forms, with the milky white opal being the most common and the stunning black opal is the rarest — and subsequently most valuable.
What gemstones are found in NSW?
(3) The entry of several major ‘players’ into opal, diamond and sapphire exploration in New South Wales Gemstones of lesser importance found in New South Wales include agate, alunite, amethyst, andalusite, aquamarine, aragonite, azurite, beryl, cairngorm, carnelian, cassiterite, chalcedony, chrysocolla, citrine, …