Molybdenite samples are rare to find and may be described as asteriated, lead-gray colored, crystal clusters on quartz feldspar matrix with some chalcopyrite. An order of one is for 2 ounces and sizes run from 2 oz. to 2 pounds each per sample of molybdenite from Idaho. Molybdenite crystals will fluoresce a deep red/maroon color. Stock 1030.