Very Rare White Cryolite 925 Silver Ring from Greenland - Size 9 - 2.53 Grams minerals Weigh: 128

Weigh: 128

7 centimeters each

This is a sweet gem Emerald crystal

Australia set in sterling silver

They measures 8-11mm in diameter

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 9 - 2.53 Grams minerals Weigh: 128This 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