Metamorphic Rocks Quantity in Basket: none Code: ES-METAMORPHIC Price: $12.25 Shipping Weight: 1.00 pounds Quantity: Students compare different metamorphic rocks and try to derive how they formed. Includes 1 specimen of marble, slate, mica schist, garnet, phyllite, hornfel, gneiss, serpentinite, quartzite, muscovite, and biotite.