Very Rare White Cryolite 925 Silver Ring from Greenland - Size 7 - 2.34 Grams minerals The beads measures 12mm in

The beads measures 12mm in diameter

stone is 6 mm in diameter

Weigh: each lot is about 41 Grams

5" with clasp

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 7 - 2.34 Grams minerals The beads measures 12mm inThis 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