Demonstrates Irregular Breakage
Each specimen illustrates a type of mineral breakage that does not leave a smooth cleavage surface. The set is housed in a compartmented collection box, and an identification list is included.Contents:6 numbered samples, 1×1"Minerals: Even Fracture: lithographic limestoneUneven Fracture: serpentineConchoidal Fracture: obsidianSubconchoidal Fracture: rose quartzSplintery Fracture: tremoliteHackly Fracture: copper
Caution: Due to the nature of this product it may contain asbestos.