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Definition
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the study of the earth's origin, history, and structure
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Definition
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an inorganic solid that has a definate chemical formula and crystal shape
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Definition
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something that was never alive and never will be
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Definition
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Hot molten rock located deep inside the earth.
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Definition
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Hot molten rock that has exited the interior of the earth and is now on the surface on the earth.
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Definition
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the purest know substance that is made from only one kind of atom.
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Definition
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the easiest property to observe, but not necessarily the best one to identify minerals from.
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Definition
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the way light reflects off the surface of a mineral
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Definition
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looks like a metal; shiny to dull
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Definition
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glassy, pearly, earthy, transparent, greasy etc.
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Definition
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the ability of a mineral to resist being scratched.
Ranges from 1 (soft) to 10 (hard).
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Definition
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the mineralogist that developed the hardness
scale in the early 1800’s.
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Term
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Definition
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the color of the powder left by a mineral when rubbed
against a hard rough surface.
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Definition
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the amount of mass that is packed into a specific
amount of volume. Mass per unit of volume.
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Definition
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the density of a mineral compared to the density of water. In other words, it tells us how many times heavier a certain volume of a mineral is than the same volume of water.
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Term
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Definition
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how a mineral would break apart into pieces
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Definition
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breakage along a flat surface or plane
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Definition
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breakage that leaves an uneven, curved, or
splintery surface
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Definition
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minerals in which usable amounts of metals or nonmetals
can be removed
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Definition
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minerals that are rare, beautiful and durable.
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Term
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Definition
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the process of heating a metal ore for the purpose of extracting or removing the metals
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