Oregon sunstone is one of the few gem materials found in gem-quality form in the continental United States

Primary sources: Brazil

The microbead cut amplifies the stone's relatively high refractive index—each bead's facets catch and scatter light individually

Opal has been prized since antiquity—the Romans ranked it among the most valuable of gems

Black Tourmaline Palm Stone Size:1.6"L x 1.1"W x 0.3"T Oregon sunstone is one ofSized and shaped for the handthe flat oval that sits in the palm without effort. Black Tourmaline (Schorl) is a boron silicate mineral in the Tourmaline group, Mohs 77. 5. The palm stone form is polished flat on both faces and curved at the edges so it rests naturally in the closed handa lapidary shape designed for extended holding rather than display. The natural striations that run along Tourmaline's long axis are still visible on the polished