Rock Cycle - Minerals (6A) Quantity in Basket: none Code: RC-M6A Price: $9.75 Shipping Weight: 2.00 pounds Quantity: Includes chert, rose quartz, obsidian, amethyst, milky quartz, citrine, glass, quartz sand, crystal quartz, quartz sandstone, quartzite and adventurine. (code RC-M6A)