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29 Cards in this Set
- Front
- Back
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What is a naturally occuring, inorganic solid, that has a crystal structure and definate chemical compound.
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A mineral
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Name the characteristics of a mineral?
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1) naturally occuring
2) inorganic solid 3. Crystal structure 4. Definate chemical compound 5. Has characteristic properites |
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Mineral come from something called _____material.
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inorganic
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In a mineral, the particles line up in a repeating pattern that forms____?
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crystals
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Which characteristic is used to determine the color of a minerla's powder?
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streak
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Halite is a mineral that is formed by the evaporation of ?
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a solution
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Minerals from which metals can be removed in reasonable amounts are called ____?
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ores
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A hollow rock that is lined with crystals is a __?
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geode
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What is the term that describes how a mineral reflects light from its surface?
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LUSTER
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Mineral deposits beneath the earth's surface that are different from the surrounding rocks are called what?
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VEINS
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hard shiny crystals used in jewelry are called what?
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gemstones
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What is Steel an example of?
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ALLOY
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How does the compostion of most meinerals differ from a PURE ELEMENT?
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MOST MINERALS HAVE 2 OR MORE ELEMENTS. A pure element has only a single element.
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How does the streak test help you to identify minerals?
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The color of a mineral powder is ALWAYS the same and when you do the test you can identify it.
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How does a geologist use different types of c rystal shapes to identify minerals?
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Minerals are grouped into 6 crystal systems according to their crystal shapes
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What are 2 ways that minerals form?
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1) Minerals can form through crystallization of MAGMA
2) Through crystallization of minerals from SOLUTION |
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____& ____ minerals make the best gemstones.
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hard and glassy
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What happens to a mineral during smelting?
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A mineral is combined with other minerals and heated, causing a chemical change that separates out the metal in the mineral.
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hOW ARE VEINS OF SILVER FORMED IN ROCK?
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Hot water solutions crystallize in cracks in the rock?
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A ____ is a mineral that can be mined at a profit.
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ORE
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WHAT 3 characteristics do geologist use to classify rocks?
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composition, color and texture
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What are 3 major groups of rocks.
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igneous
sedimentary metamorphic rock |
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How are IGNEOUS ROCKS classified?
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according to origin, texture, and mineral composition
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How are most sedimentary rocks formed?
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Erosian
depostion compaction cementation |
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What are the 3 major groups of sedimentary rocks?
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clastic,
organic chemical |
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How is a reef formed?
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By coral animals who have died and whos skeletons remain. More corals build on top of each other and form a reef.
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WHERE DOES A INTRUSIVE IGNEOUS ROCK FORM
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INSIDE THE EARTH
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Where does extrusive igneous rock form?
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On the earth
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In the rock cycle, the process by which an igneous rock changes to a dedimentar rock must begin with_______?
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Erosian
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