Product Description

The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS2. Color: Pale brass yellow. Density: 5 - 5.*2, Average = 5.*1 Diaphaneity: Opaque Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (***** quartz). Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces. Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (***** calcite). Habit: Striated - Parallel lines on crystal surface or cleavage face. Hardness: 6.5 - Pyrite Luminescence: Non-fluorescent. Luster: Metallic Magnetism: Magnetic after heating Streak: greenish black