Availability: Usually ships in 1-2 business days Product DescriptionBasic 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. This is a comprehensive collection for the study of rocks. Product Details
Features
| |||||
