Chapter 3 Section 2

 Color  Luster  Streak  Cleavage & Fracture  Hardness  Density  Special Properties

 Because of factors such as impurities, color usually is NOT the best way to identify a mineral  The color of the powder of the mineral  The way in which a mineral reflects light  3 kinds ( metallic, submetallic, nonmetallic)

 Clean  The splitting of a mineral along smooth, flat surfaces  Jagged  The manner in which a mineral breaks along either curved or irregular surfaces Quartz

 A measure of the ability to resist scratching

 Fluorescence  Chemical reaction  Magnetism  Taste  Optical properties  radioactivity  The measure of how much matter is in a given amount of space.