Sodalite Rock, Namibia (Sodalite is a rich royal blue mineral widely enjoyed as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Euhedral, transparent crystals are found in northern Na
The Blue John Cavern is one of the four show caves in Castleton, Derbyshire, England. The cavern takes its name from the semi-precious mineral Blue John, which is still mined in small amounts outside the tourist season and made locally into jewellery.
Blue Mineral and Mother of Pearl Pendant Earrings by DUBLOS