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test

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
minerals   are inorganic solid material found in nature .  
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rocks   such as the atoms in the crystal is unique to each mineral.  
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crystals   solid material that have such a pattern of atoms.  
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cleavage   they split into pieces with smooth regular planes that reflect light.  
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color   is the color of the mineral  
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fracture   some break into pieces and have ruff edges .  
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streak   wiping a rock across a glass tile is cleavage it leaves a streak  
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luster   luster is how it shines.  
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hardness   hardness is how hard it is and what is can scratch.  
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gems   are minerals that are rare and can be polished and celled for jewelry.  
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ore   a mineral is called a ore  
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Created by: brybry1901
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