Cavansite Pendant, Raw Crystal in Matrix, p1Cavansite Pendant in 925 Sterling Silver. The Rich Blue Cavansite crystal is partiallly polished smooth, along with the Matrizx of white Stilbite and darker Basalt in which it was found. The setting is top quality, and the hinged and shaped bail is another nice feature ~ it not only looks more attractive it but helps the pendant sit better on the chain. Cavansite is fairly soft and easily damaged but here it's still protected by it's Matrix (