rocksmins Mohs Hardness Kit Rocks & Minerals Test Kit for Education  (Multicolor)

What is Mohs Hardness Scale? One of the most important tests for identifying mineral specimens is the Mohs Hardness Test. This test compares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scale (see table at left). The test is useful because most specimens of a given mineral are very close to the same hardness. This makes hardness a reliable diagnostic property for most minerals . Rocks & Minerals Test Kit with Mohs Hardness Scale Set contains 10 Minerals for Testing the Streak Test, Magnetism Test & Acid Reaction Test. This Collection contains 10 Minerals represents the scale of Hardness Talc (H=1), Gypsum (H=2), Calcite (H=3), Fluorite (H=4), Apatite (H=5), Orthoclase (H=6), Quartz (H=7), Topaz (H=8) & Corundum (H=9) & 10 Mineral Magnetite for Magnetism Test. In this Kit The Accessories & Tools is Knife, Iron Plate, Streak Plate, Glass Plate, Copper Plate, Iron Plate, Garnet Board, Magnet, Hand Lens, Acid Drop Bottle (Empty) & Instruction Manual for Doing These Test. These Rocks & Minerals Collections used for Practical Knowledge of Rocks Specimens & Minerals Specimens.