Lustrous, sharp, water-clear Quartz crystal, measuring 40 x 9 mm, is richly covered at its base by balls of golden mica to 3 mm and bright brassy Arsenopyrite crystals to 6 mm. A cluster of black Stannite to 7 mm is perched on the Quartz and partially penetrates it. Nice combo specimen, with no damage.ex. Carolyn Seitz collection