Very Rare White Cryolite 925 Silver Ring from Greenland - Size 6 - 1.84 Grams bracelet It is surrounded by pink-red

It is surrounded by pink-red Rubies by association

the chemical composition of the material is a Sodium-Aluminum Oxide

You are bidding on a genuine extremely rare Staurolite bracelet made with 100% genuine untreated stones

Lot of 10 really nice Covellite tumbled stones from Peru with nice dark blue color

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 6 - 1.84 Grams bracelet It is surrounded by pink-redThis 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