Sunstone

Sunstone is a kind of dull, translucent, sometimes even transparent feldspar. Due to the small platelet mineral inclusions within the stone (usually those of copper, hematite or goethite) that produce bright metallic flashes, we can see an optical phenomenon called "aventurescence." and transparent with inclusions. The world's best-known sites include the USA, Mexico, Tanzania, India, Sri Lanka, Australia, but caution is needed when shopping, sun stone ranks among rare minerals and precious stones, and is often confused with cheaper merchants synthetic avanturine.