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| observation, hypothesis, experimentation, communication |
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| performed to prove or disprove your hyptohesis |
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| when experiments are repeated and the conclusions are the same |
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| when conclusions are never proved incorrect |
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| solid part of earth is composed of rocks; rocks are made of minerals |
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| naturally occurring, inorganic, solids, have a distinct chemical composition, crystal structure |
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| way light reflects off a surface== chrome of a car= metallic luster; diamond has glassy luster; non-metallic= soap, satin shirt |
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| resistance of a mineral to being scratched; direct reflection of the bond strength between atoms of a minerals crystal structure. |
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| 1822;minerals with higher numbers (hard) will always scratch minerals with lower numbers (soft) |
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| minerals that break along well defined planes; range from very smooth to ragged (excellent to poor) |
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| minerals with no cleavage planes; break in irregular pieces or planes; a highly irregular break in the mineral |
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| substitustions of other elements into the crystal lattice |
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| shape that a mineral naturally forms; books=distinctive habit of growing |
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| bubbling of an acid drop; dilute acid is dropped onto calcite, its dissolved and gives off C02. |
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| reacts with dilute acid, but only when in powder form; |
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| minerals that contain iron (fe) are commonly magnetic |
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| minerals that show distinctive lines or grooves; formed when crystal cools and grows; |
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| two minerals with different properties having the same chemical composition |
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| primary physical properties of minerals |
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| crystal, luster, color, streak, hardness, cleavage, gravity |
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| secondary physical properties |
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| magnetism, taste, feel, smell, elasticity, |
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| external expression of a mineral that reflects the orderley internal arrangement of atoms |
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