Rock Cycle - Minerals (4A) Quantity in Basket: none Code: RC-M4A Price: $10.75 Shipping Weight: 2.00 pounds Quantity: Look at the key characteristics that help identify minerals. Contains specimens of quartz, fluorite, pyrite, gypsum, calcite, mica, galena, feldspar, ulexite, and hematite. (code RC-M4A)