Quartz Sphere - Large (90mm) - B Quality. This Crystal Quartz was mined from the Norcross-Madagascar Crystal Quartz quarry. You will receive one piece of Quartz Sphere - Large (90mm, approx weight: 2.10lb/pc) - B Quality, similar to what is photographed with this order. $70/lb. Discounts available for volume purchasing of Crystal Spheres. It's better to buy your Crystal Quartz Spheres from Madagascar Minerals, your direct source of Crystal Quartz. Please, call a Madagascar Minerals® sales representative for more information (520) 882-8884.