jcjc4.1

=4.1 Properties of minerals=


 * Vocabulary**


 * Inorganic:** means that materials cannot arise from materials that were once part of a living thing.
 * Crystal:** The repeating pattern of minerals particles that form a solid called a crystal
 * Element:** a substance composed of a separate kind of atom.
 * Compound:** Two or more elements are combined so the elements no longer have distinct properties.
 * Streak:** the streak of a mineral is the same color as the powder.
 * Luster:** The term used to describe the way the rock deflects light from it's surface.
 * Cleavage:** A mineral that splits easily a long the surface has the property called cleavage.
 * Fracture:** a fracture describes when a rock breaks in an uncommon way.
 * Fluorescence:** Minerals that glow under ultraviolet light.

outline

 * What is a mineral?


 * naturally occurring


 * inorganic


 * solid


 * crystal structure


 * definite chemical composition


 * Identifying Minerals


 * hardness


 * color


 * streak


 * luster


 * density


 * crystal system


 * Cleavage and fracture


 * Special properties