Locality: Lapa da Onca Claim, Jirau, Arucuçai, Minas Gerais, Brazil
Size: 31 mm x 19 mm x 17 mm (1.3 in. x 0.8 in. x 0.7 in.)
Weight: 17 g (0.6 oz.)
Crystal section of the rare lithium mineral petalite. This piece ranges from translucent to clear and has a glassy luster.