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Earth Sci Ch 3 Voc
Question | Answer |
---|---|
naturally occurring, inorganic solid with a definite chemical composition and an orderly arrangement of atoms or ions | mineral |
is a member of the mineral group that has silicon and oxygen in its crystal structures | silicate |
occurs when particles dissolved in a liquid or a melt solidify and form crystals | crystallization |
s molten rock stored beneath Earth’s surface | magma |
when molten rock erupts on or near Earth’s surface | lava |
scientists who study the distribution of minerals, mineral properties, and their uses | mineralogists |
the way a mineral reflects or absorbs light at its surface | luster |
is the color of a mineral in powdered form | streak |
is the resistance of a mineral to being scratched | Hardness |
mineral breaks with smooth, flat surfaces | cleavage |
a mineral breaks and forms uneven surfaces | fracture |
an object is equal to its mass divided by its volume | density |
rock that contains high enough concentrations of a desired substance, such as a metal, so that it can be mined for a profit | ore |
a rare and attractive mineral that can be worn as jewelry | gemstones |