A cool specimen of smithsonite crystals displaying the famous rice-grain habit from Kelly Mine, New Mexico, United States. The smithsonite from Kelly Mine is among the most highly prized in the world. The crystals have rice like grain shape - a habit that is among the most desirable and difficult to find in the modern days. They are colorless with a chatoyant, pearly luster. The base is covered with blue aurichalcite crust. In superb condition. On acrylic base.

Fascinating!