Smoky quartz is silicon dioxide colored grey-brown to near-black by natural irradiation from radioactive elements in the surrounding host rock

Keep the plate dry — gypsum is water-soluble

just violet crystal standing on its own

Tree resin that has been keeping time for tens of millions of years

Men’s Bar Cathedral Rock Necklace Oval Smoky quartz is silicon dioxideA vertical bar of sterling silver carrying a fragment of Sedona's red earththe kind of pendant that reads as architectural from across the room. The pendant sets freeform turquoise against a core of Sedona soil sourced from Cathedral Rock, one of the sandstone buttes that define the Sedona skyline. Turquoise is a copper aluminum phosphateits blue green color a product of copper content and the arid conditions that concentrate it near the surface of