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Chapter 3

Minerals

QuestionAnswer
Made up of solid nickle and iron Inner Core
Made up of liquid nickle and iron. Outer Core
Molten, liquid rock Magma
Makes up 80% of Earth's volume Mantle
Very thin solid layer of rock made mostly of silicon and oxygen. Outer most layer of Earth Crust
What type of crystals are formed if magma cools slowly Large
Naturally occuring, inorganic solid that has a definite chemical compostion and crystalline form. Mineral
Compound formed by silicon and oxygen Silicate
Crystals can from when minerals dissolve in a liquid that then... evaporates
Identification of a mineral is based on its _______________properties physical
The way a mineral reflects light on its surface. luster
Type of luster that is shiny like metal metallic
The ability for a mineral to resist being scratched Hardness
A list of ten minerals ranked according to hardness Mohs Hardness Scale
the softest mineral is talc
the hardest mineral is diamond
the color of the powder scraped from a mineral when rubbed against a rough surface. streak
______breaks in smooth, definite surfaces every time. cleavage
____breaks in rough or jagged surfaces fracture
Geometric crystals with flat surfaces and deffinite edges Crystal form
The density of a mineral specific gravity
Minerals or a combination of minerals from which metals and nonmetals can be removed in usable amounts ore
shen an ore is heated so that a metal can be separated from it smelting
When pure metals are combined from other metalic substances alloy
Minerals that are hard, beautiful, and durable substances that can be cut and polished for jewelry and decoration gemstones
Created by: cmorrow1
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