$7.49Black Obsidian ARROWHEADS carved from real Obsidian volcanic rock. Great for science fair or school project. ...or as a cool party favor! Set of SIX (6) 2"-3"+ each. Photo is representative - actual 6 may vary. Call for quantity discount.
$22.00Approximately 25 pieces of gorgeous blue calcite. One full pound. Great for classroom mineral kits, simulated panning or dig activities for kids and students. Ask about volume discounts.
$2.99Large 1" Blue Lace Agate Stone. Each and every specimen is unique and you will receive ones similar to the image shown.