Mineral Characteristics and Identification Microslide (278) In Stock Now

Set Includes: Color - Malachite and Azurite (25X), Streak - Pyrite (1X) vs. Gold (2X), Hardness - Quartz and Fluorite (1X), Luster - Turquoise (5X), Asbestos (5X), and Sphalerite (25X), Form and Crystal Structure - Malachite (5X) vs. Proustite (40X), Cleavage and Fracture - Galena (5X) vs. Obsidian (1X), Chemical Properties - Acid on Calcite (35X) and Special Properties - Luminescence (1/8X).