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MINERALS

QuestionAnswer
mineral A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
inorganic The "I" in SNIFC (means "non-living").
crystal The "C" in SNIFC (has flat sides called faces that meet at sharp edges and corners).
streak The _____ of a mineral is the color of its powder.
luster The term _____ is used to describe how light is reflected from a mineral's surface.
density Defined as mass in a given space, or mass per unit volume (mass divided by volume).
solid The "S" in SNIFC (represents a phase/state of matter).
natural The "N" in SNIFC (means not man-made).
fixed The "F" in SNIFC (means a definite/unchanging chemical composition--"recipe").
diamond What is the hardest known mineral?
cleavage A mineral that splits easily along flat surfaces has this property.
fracture This describes how a mineral looks when it breaks apart in an irregular way (does not split apart evenly).
hardness This scale ranks minerals from softest (#1) to hardest (#10). This can be determined by a scratch test.
water Minerals can form in two ways: by crystallization of magma/lava or by crystallization of materials dissolved in _____.
cool One factor that determines the size of crystals is the rate at which magma/lava or solutions _____.
true TRUE or FALSE? Minerals form rocks.
crust The rigid, rocky outer surface of the Earth (thinner under the oceans).
mantle A liquid, rocky layer located under Earth's crust.
true TRUE or FALSE? Since most glass is man-made, it is NOT a mineral.
false TRUE or FALSE? Even though coal is a fossil fuel, it's still considered a mineral
true TRUE or FALSE? Observing/recording the color of a mineral is helpful but not reliable. Other testing needs to occur to properly name/ID the mineral.
crystal A solid whose atoms or molecules are arranged in a regular, repeating pattern.
solid A mineral is always a(n) _____ because it has a definite volume and shape.
gold An example of a mineral made up of a pure element on the Periodic Table is _____.
true TRUE or FALSE? If you broke a mineral into tiny pieces, each piece would still show the same crystal structure.
fracture This term describes when a mineral does NOT break along flat surfaces but rather breaks unevenly into pieces that have curved or irregular surfaces.
Created by: mrsgilbert
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