Calcite from Castelinho Mine, Alto Uruguai, Rio Grande do Sul, Brazil lolite sphere The piece has been painstakingly

The piece has been painstakingly prepared with mechanical tools to expose all of the individual ammonite fossils on one side

mosasaurs became the dominant marine predators

7 x 1 x 4 inches

south of Hat Yai

A beautifully polished Ocean Jasper egg from Madagascar

Calcite from Castelinho Mine, Alto Uruguai, Rio Grande do Sul, Brazil lolite sphere The piece has been painstakinglyFrom Castelinho Mine, near Frederico Westphalen, Alto Uruguai, Rio Grande do Sul, Brazil Colorless translucent scalenohedral calcite crystals on matrix with crust of green celadonite microcrystals. The calcite crystals have matte luster and have small rhombohedral faces at the tips. Weight: 6. 5 lbs, Dimension: 12 x 5 x 7 inches