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Definition
| a hard natural substance made of one or more minerals; sometimes contains organic materials |
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Definition
| a mineral that can be cut and polished for use |
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Definition
| a rock that forms from decayed plant matter |
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Definition
| an inorganic substance found naturally in the earth |
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Definition
| formed by heat and pressure deep below the earth's crust |
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Definition
| formed from volcanic magma or lava |
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Definition
| forms when layers of sediment and organic materials are pressed and cemented together |
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Definition
| hot, melted rock that surrounds the core |
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Definition
| made up of things that were never alive |
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Definition
| makes up most of the earth's mass and is made of hot melted rock |
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Definition
| once part of a living thing |
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Definition
| people who study the nonliving parts of the earth |
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Definition
| sometimes combined to increase their strength |
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Term
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Definition
| the ability of a mineral to resist scratching |
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Definition
| the arrangement of the particles of a mineral |
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Definition
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Definition
| the characteristic of a mineral to break along smooth, straight lines or into flat sheets |
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Definition
| the color of the mark made when a mineral sample is scratched on a hard surface |
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Definition
| the loose material on the surface of the earth |
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Term
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Definition
| the thin, outer layer of the earth |
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Definition
| the way a mineral reflects light |
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Definition
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Definition
| types of metamorphic rock |
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Term
| limestone and conglomerate |
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Definition
| types of sedimentary rock |
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Term
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Definition
| used to determine the hardness of minerals |
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Definition
| uses minerals to grow and function properly |
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Term
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Definition
| usually found in rocks called ores |
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