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chapter 4

Mineral A naturally occurring inorganic solid that has a crystal structure and a definite chemical composition
element A substance composed of a single kind of Atom
compound Two or more elements are combined so that the elements no longer have distinct properties
Properties Hardness, Color, Streak, Density, Luster
Cleavage A mineral that splits easily along flat surfaces has the property called CLEAVAGE
Fracture When a mineral breaks in an irregular way
Fluorescene Minerals that glow under ultraviolet light have a property know as fluorescene
What two ways are minerals formed? Through crystallization of melted materials and through the crystallization of materials dissolved in water
Vein A narrow channel or slab of a mineral that is much different from the surrounding rock
Solution A mixture in which one substance dissolves in another
Gemstone A hard colorful mineral that has a brilliant or glassy luster
Ore A rock that contains a metal or economically useful mineral
3 Types of Mines Strip, Open pit mines and shaft Mines
Alloy A solid mixture of two or more metals
Smelting removing the metals from the ore
What are the Five steps to smelting? Iron ore is crushed,
Crystals The repeating pattern of a minerals particles
Name Six Types of Crystal Systems Magnetite, Quartz, Rutile, Sulfur, Azurite, Microcline Feldspar
Prospector Anyone who searches or "prospects" for an ore deposit
Rock forming minerals 20 minerals that make up the earths crust
Characteristics of a mineral? Naturally occurring, Inorganic, Solid, Crystal Structure, definite chemical composition,
What are the properties of a mineral? Hardness, Color, Streak, Luster, Density
How would properties be used to identify minerals? Each mineral has its own specific properties that can be used to identify it
Stainless steel An alloy of iron, chromium, and nickel- it doesn't rust
Pyrite Fools gold - Iron and sulfur
Created by: kodamiller