Quartz coated with Iridescent Goethite from Peru DS1838 crinoid marked with a black marker

marked with a black marker (the marker can easily be removed with rubbing alcohol)

rutile is often found as heavy mineral sand deposits

natural luster

Exceptional clarity and subtle striations characterize this lovely little quartz point from Ticino

Optical calcite is also referred to as Iceland Spar because of its first discovery in Eskifjord

Quartz coated with Iridescent Goethite from Peru DS1838 crinoid marked with a black markerQuartz 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