The contrasts in this stone really make it a striking addition to any design -- creamy white quartz permeated by black tendrils of manganese branching through the stone. The "Parral"...
Wonderstone is a Jasper, an opaque silicon dioxide mineral and form of microcrystalline Chalcedony. It occurs with wave-like bands of charcoal gray, tan, cream and mahogany brown. Wonderstone is considered...