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Chapter 2: Minerals Test Review
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What’s your favorite college football team?
Louisville Georgia Kentucky Alabama Tennessee UCLA Florida None of the Above 1 2 3 4 5
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Crystals may be ___. Cubic Monoclinic Tetragonal All of the Above 1 2
3 4 5
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A quartz crystal is ___ in shape.
cubic hexagonal tetragonal monoclinic 1 2 3 4 5
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atoms elements electrons None of the above
As magma cools, its __ combine into compounds that form a crystal structure, and it becomes a mineral. atoms elements electrons None of the above 1 2 3 4 5
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Minerals are made of one or more ___.
colors elements rocks structures 1 2 3 4 5
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A mineral is classified as an ore as long as ___.
It is rare and valuable It can be used as jewelry It is profitable and useful It is solid and natural 1 2 3 4 5
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Minerals mined because they contain useful substances are ___.
gems ores minerals rocks 1 2 3 4 5
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The tendency of minerals to break with rough or jagged surfaces is called ___.
hardness luster fracture cleavage 1 2 3 4 5
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A collector of minerals would want a sample of ___.
salt coal sugar wood 1 2 3 4 5
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A measure of how easily a mineral can be scratched is ___.
ores hardness fracture cleavage 1 2 3 4 5
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All minerals share __ basic characteristics.
two three four ten 1 2 3 4 5
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One of the softest minerals is ___.
topaz quartz talc amethyst 1 2 3 4 5
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All minerals share the following characteristics EXCEPT that of ___.
Being formed by natural processes Being formed by living organisms Being solids Having the atoms within the mineral arranged in a pattern 1 2 3 4 5
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The hardness of quartz is 7
The hardness of quartz is 7. This indicates that quartz will scratch all of the following minerals EXCEPT ___. talc apatite diamond calcite 1 2 3 4 5
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Muscovite mica will peel off in flat sheets
Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called ___. hardness streak fracture cleavage 1 2 3 4 5
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Calcite with scratch gypsum
Calcite with scratch gypsum. This is an example of the physical characteristic called ___. hardness streak fracture cleavage 1 2 3 4 5
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The color of a powdered mineral is called ___.
fracture color cleavage streak 1 2 3 4 5
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The properties of being __ make a diamond a gemstone.
Rare and beautiful Useful and profitable Easy to obtain and beautiful Rare and profitable 1 2 3 4 5
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The mineral can no longer be mined at a profit
If the cost of separating a mineral from waste rock becomes too great, the mineral may no longer be classified as an ore. This happens because ___. The mineral can no longer be mined at a profit The mineral has lost its usefulness The demand for the mineral has decreased None of the above 1 2 3 4 5
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A mineral is no longer classified as an ore once it is no longer ___.
useful profitable Obtainable at a reasonable cost All of the above 1 2 3 4 5
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A mineral is an organic ___ with a unique crystal structure.
atoms color solid magma 1 2 3 4 5
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Some minerals are formed when ___ cools.
magma atoms crystals luster 1 2 3 4 5
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The term crystal system refers to the patterns that __ form in a crystal.
atoms solids magma color 1 2 3 4 5
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The distinctive yellow appearance of sulfur is considered the mineral’s ___.
streak luster color fracture 1 2 3 4 5
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When liquid evaporates, atoms of any dissolved minerals stay behind and form ___.
solid crystals magma color 1 2 3 4 5
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Tests for hardness and streak help ___ minerals.
identify color luster create 1 2 3 4 5
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Two types of __ are metallic and nonmetallic.
atoms color solid luster 1 2 3 4 5
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Two minerals that are ores of titanium are __.
Lightweight and durable Ilmenite and rutile Bauxite and garnet Spinel and Emerald 1 2 3 4 5
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Qualities of a mineral that make it a gemstone are ___.
Usefulness and profitability Beauty and rarity Lightweight and durable Amount and color 1 2 3 4 5
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A mineral is a crystalline liquid.
True False 1 2 3 4 5
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Some minerals form when magma cools.
True False 1 2 3 4 5
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Minerals that are different in other properties may be alike in color.
True False 1 2 3 4 5
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Two types of cleavage are metallic and glassy.
True False 1 2 3 4 5
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Minerals called ores are mined because they contain beautiful substances.
True False 1 2 3 4 5
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All gems are minerals. True False 1 2 3 4 5
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