Smithsonian Rock and Gem Dig
Chip away to discover 12 real gemstones & minerals with this Smithsonian Institution Rock And Gem Dig Set from Natural Science Industries. Learn how rocks and minerals are formed. Excavate and identify gemstones and minerals. Test for hardness and streak. Full color gemstone identification chart provided. Fun, interesting and educational at home and at school! Detailed instruction booklet. INCLUDES: Sand Block with Specimens Wooden Mallet Wooden Chisel Streak Plate Safety Goggles Magnifying Glass Gemstone Identification Sheet
Ages 8+