Quartz coated with Iridescent Goethite from Peru DS1838 rose quartz These crystals formed within cavities

These crystals formed within cavities of sedimentary rock

Welo Opal is known for its transparency and clarity

it's composed of calcium carbonate (CaCO₃)

and even rare blue moonstone

with a second mass of 51 kg discovered several months later

Quartz coated with Iridescent Goethite from Peru DS1838 rose quartz These crystals formed within cavitiesQuartz coated with Iridescent Goethite from Peru Approx. Dimensions: 2. 5x2x2 inches Approx. Weight: 83 grams Locality: Cascas, Gran Chimu, La Libertad, Peru A stunning display piece from the famed mineral locality of Cascas in Gran Chim, La Libertad, Peru, this specimen features lustrous, transparent to milky quartz crystals richly coated with iridescent goethite. The goethites surface shimmers with vibrant metallic huespurples, golds, greens, and