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18 Cards in this Set
- Front
- Back
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Mineral
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is a naturalling occuring, inorganic solid that has crystal structure and definite chemical compostion
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inorganic
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it means that a mineral can not arise from the mineral's that were once part of a livin thing
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Crystal
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A solid in which the atoms are arranged in a pattern that repeats again and again
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Element
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is a substance composed of a single kind of atom
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Compound
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two or mor3 elements are combined so that the elements no longer have distinct properties
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Mohs hardness scale
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A scale that ranks ten minerals from the softest to the hardest
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Streak
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the color of its poweder
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Luster
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is the term used to describe how a mineral reflects light from its surface
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Cleavage
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A mineral that splits easily along flat surfaces
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Fracture
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how a mineral looks when it breaks apart in an irragular way
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Fluorescence
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Minerals that glow under ultraviolet light
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Vein
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is a narrow channel or slab of a mineral that is much different from the surroundings rock
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Solution
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is a mixture in which one substance dissolves in another
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Gemstone
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is a hard, colorful mineral that has a brilliant or glassy luster
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ORE
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A rock that contains a metal or economically useful mineral
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Alloy
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a solid mixture of 2 or more metals
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Smelting
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an ore is melted to separte the useful metal from tother elements the ore contains
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