Tag Archives: Rare opal

Why We Love Lightning Ridge Opal

By Neville Ryan – EarthGallery.com Lightning Ridge is a small opal mining town in north-western New South Wales near the border of Queensland in Australia. It is home to the world famous black opal. This opal is the rarest and most expensive opal found in the world today. How rare? Some miners persevere for years […]

Rare Louisiana Sand Opal

Louisiana Sand Opal showing a range of colors. Louisiana Opal was found in the Catahoula Formation in Vernon Parish, Louisiana. The only commercial producer was the Hidden Fire Opal Mine which operated on leased land and was closed down in the early 1990’s. Only small quantities were mined and rough material, in quantity, is very […]