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Minerals & Rocks

Ch. 22.2 & 22.3 words

QuestionAnswer
An inorganic crystal with a unique set of physcial properties; They combine to make rocks. Mineral
A mineral property that measures how the resistance of a mineral to being scratched. Hardness
The way in which the surface of a mineral reflects light; Examples: Glassy, metallic, greasy, etc. Luster
The tendency of certain minerals to break in specific patterns, like sheets or cubes Cleavage
The tendency of a mineral to break in a random pattern Fracture
Minerals that react with acid contain _________. Calcium.
The color produced by the mineral when rubbed on a ceramic tile. Streak
A collection of mineral or mineral groups; Classified as igneous, sedimentary, or metamorphic Rocks
Rocks formed from molten magma that cools and crystalizes (hardens) Igneous
Igneous rocks that cool and crystallize under Earth's surface; cool slowly; have crystals. Intrusive
Igneous rocks that cool and crystallize on the surface; cool quickly; have air pockets, are glassy, and have few or no crystals. Extrusive
Rocks formed from fragments of rocks that are buried and compacted together. Sedimentary Rocks.
Rocks formed on or near the surface with the help of weathering and erosion. Sedimentary Rocks.
Rock type that may have fossils. Sedimentary
Type of sedimentary rock that forms when pieces of sediments are cemented together when compressed or buried. Clastic
Type of sedimentary rock formed when salts and minerals precipitate out of solution. Chemical
Type of sedimentary rock formed from once living organisms or their life processes. Organic
Rock type that forms when rocks are changed by heat, pressure, or chemical reactions. Metamorphic rocks.
Rock types that usually forms deep in the crust, at the base of mountains, near volcanic vents, or by hot springs. Metamorphic rocks.
Striped bands of light and dark minerals present in some metamorphic rocks Foliations
Created by: burnsie
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