Very Rare White Cryolite 925 Silver Ring from Greenland - Size 8 - 1.81 Grams bracelet deep London Blue Topaz stones

deep London Blue Topaz stones

It's in great condition and is a beautiful color

is not a mineral but a rock consisting mainly of Lazurite

transformation

This is a very nice Pyromorphite cluster with many crystals on matrix from China

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 8 - 1.81 Grams bracelet deep London Blue Topaz stonesThis is white Cryolite with pearly luster 925 silver ring from Greenland. Cryolite, or sodium aluminum fluoride (Na3AlF6), consists of 12. 85 percent aluminum, 54. 30 percent fluorine, and 32. 85 percent sodium. Cryolite is not only ice like in appearance; its name, which stems from the Greek words kryos, or "ice," and lithos, or "stone," means "ice stone." Greenland's indigenous Inuit called cryolite "the ice that never melts." It is rare, and its