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| an igneous rock that has large crystals surrounded by smaller crystals |
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| a naturally occurring solid that can form by inorganic processes and that has a crystal structure and a definite chemical composition |
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| a repeating pattern of a minerals particles |
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| the color of a mineral's powder |
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| how light is reflected from a mineral's surface |
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| used to rank the hardness of a mineral |
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| a mineral that splits easily along flat surfaces |
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| describes how a mineral looks when it breaks apart in an irregular way |
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| a rounded, hollow rock that is often lined with mineral crystals |
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| the process by which atoms are arranged to form a material that has a crystal structure |
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| a mixture in which one substance is dissolved in another |
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| a narrow channel or slab of a mineral that is different from the surrounding rock |
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| the look and feel of a rock's surface |
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| forms from cooling rock or magma |
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| forms when small particles of rocks or the remains of plants and animals are pressed and cemented together |
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| forms when a rock is changed by heat or pressure, or by chemical reactions |
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| igneous rock formed from lava that erupted to the Earth's surface |
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| igneous rock that formed when magma hardened beneath the surface of Earth |
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| small, solid pieces of material that come from rocks or living things |
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| rocks breaking up due to freezing, thawing, plant roots, acid, and other forces |
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| the process by which running water, wind, or ice carry away bits of broken up rock |
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| process by which sediment settles out of the water or wind carrying it |
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| the process that presses sediments together |
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| process in which dissolved minerals crystallize and glue particles of sediment together |
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| sedimentary rock that forms when rock fragments are squeezed together |
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| sedimentary rock that forms when the remains of plants and animals are deposited in layers |
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| sedimentary rock that forms when minerals dissolved in a water solution crystallize |
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| describes the thin, flat layering found in most metamorphic rocks |
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| the mineral grains in these rocks are arranged randomly |
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| a series of processes that occur on the Earth's surface and in the crust and mantle that slowly change rocks from one kind to another |
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| a mineral formed by evaporation |
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| a sedimentary rock used in making cement |
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