AQUAMARINE (BLUE BERYL) XX-Small (6 to 8mm) tumbled stones. 1 lb bulkAQUAMARINE BLUE BERYL Aquamarine is the blue form of beryl, just as emerald is the green form of beryl. These stones are aqua blue to white with some varying amounts of white or green tinge and varying translucency. See the pictures for more details. They are sorted and ready to use for whatever project you desire. SIZE: XX Small, approximately 6 to 8 mm or 1 4 to 3 8 inch. WEIGHT: Each package weighs 1 pound. COUNT: There are about 900 to 1550 stones