BCJS+4.1

toc =Chapter 4.1=

Vocabulary

 * Inorganic:** A attribute of an mineral; something that is not made up of things that were once living
 * Crystal:** A solid that is created from a repeating pattern of mineral particles.
 * Element:** A substance that is only created from one type of atom
 * Compound:** A substance that is created from different types of elements
 * Mohs Hardness Scale:** A scale that rates different rocks from 1-10.
 * Streak:** The color of a minerals' powder
 * Luster:** The attribute of a rock which how light reflects off the minerals' surface
 * Cleavage:** A property which a mineral splits easily on flat surfaces.
 * Fracture:** How a mineral looks when it breaks apart in an irregular way.
 * Fluorescence:** The property which a mineral glows under an ultraviolet light.

Properties of Minerals

 * **What is a Mineral?**
 * **Naturally Occurring**
 * Cannot be man-made.
 * **Inorganic**
 * **Solid**
 * **Crystal Structure**
 * **Definite Chemical Composition**
 * **Identifying Minerals**
 * **Hardness**
 * Uses Mohs hardness scale
 * **Color**
 * Minerals/Rocks can be the same color, but are different minerals.
 * **Streak**
 * Can identify rocks through the streak, and streaks are usually different colors from the color of the rock.
 * **Luster**
 * The lusters are metallic, earthy, pearly, glassy, waxy, and silky.
 * **Density**
 * Mass times weight.
 * **Crystal Systems**
 * There are six groups: Cubic, Hexagonal, Tetragonal, Orthorhombic, Monoclinic, Triclinic.
 * **Cleavage and Fracture**
 * **Special Properties**
 * **Fluorescence**
 * **Magnetism**