Email this pagePrint this page Introductory Earth Science Go back to: Rock & Mineral Collections Quantity in Basket: none Product Code: 0701 Price: $66.95 Shipping Weight: 13.80 pounds Quantity: Introductory Earth Science Rocks & Minerals Basic unit of 75 rocks and minerals demonstrates the major rock-forming minerals; the scale of hardness; and recognized physical properties. Unit includes 75 number-coded specimens, each size 1 1/4" x 3/4", a streak plate, magnet, magnifier and compartmented container. Grades: 5-12. Click here to see a list of rocks in this collection.