This polished slab of the Seymchan pallasite meteorite contains olivine crystals in an iron-nickel matrix
active primarily from the late 1800s through the mid-20th century during the height of Italy’s sulfur mining industry
This prasem (prase quartz) specimen from the Vtoroy Sovetskiy Mine features quartz crystals colored a distinctive green by fine inclusions of chlorite or actinolite
Weight: 171 grams
Dimensions: 3 x 2 x 2"Approx
Quartz coated with Iridescent Goethite from Peru DS1827 mammoth tooth This polished slab of theQuartz coated with Iridescent Goethite from Peru Approx. Dimensions: 2. 5x1. 5x1. 5 inches Approx. Weight: 105 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,