Very Rare White Cryolite 925 Silver Ring from Greenland - Size 7 - 2.34 Grams minerals stone is 6 mm in

stone is 6 mm in diameter

The beads measures 12mm in diameter

silver slab from Canada

Weigh: each lot is about 41 Grams

A rare Cacoxenite egg from Brazil is polished and in perfect condition

Very Rare White Cryolite 925 Silver Ring from Greenland - Size 7 - 2.34 Grams minerals stone is 6 mm 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