Excellent specimen of white quartz crystals up to 1 cm overgrown with lustrous white barite crystals to 1 cm. Also small, dark gray sulfide (Freibergite? Galena?) crystals mixed in. Very clean, no damage. Ex. Durkos collection #782. Overall size of mineral specimen: 16x9x5 cm. Size of individual crystals: 3-10 mm.