Very Rare White Cryolite 925 Silver Ring from Greenland - Size 8 - 2.0 Grams minerals 4 Centimeters long

4 Centimeters long

showing the bubbly bytroidal formation

largest being 2

59 grams total

Location: Madagasca

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 8 - 2.0 Grams minerals 4 Centimeters longThis 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