rocks and minnerals vocab due friday Flashcards
Metamorphic rock
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meta means changed and morphos means shape so metamorphic means changed shape of the rock
Sedimentary rock
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sediment that is cemmented
Igneous rock
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it starts out as hot magma
Gemstones
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highly valued for their beauty rather then for usefullness
. Non-metallic minerals
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good insulators in electricity , shiny -dull , and may let light though
Metallic minerals
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there shiny surfaces and do not let light pass though them and good conductors for electricity and heat
Ore
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a natural material whose concentration of econmically valuable minerals is high enough for the mineral to be mined profitably
Density
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the ratio of the mass of a substance to the volume of the substance.
Fracture
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the manner in which a mineral breaks along either curved or irregular
Cleavage
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the splitting of a mineral along smooth , flat surface
Streak
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the color of the powder of a mineral
Luster
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the way in which a mineral reflects light
Color
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the tone or shade of something that is seen by the eye
Crystal
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a solid whose atoms,ions,,or molecules are arranged in a definite pattern
Compound
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a substance made up of atoms of two or more different elements joined by chemical bonds
