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For a substance to be a mineral, it must occur _______________. |
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Minerals must have a definite _____ composition. |
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Minerals must have a definite structure, or unique arrangement of _____. |
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Minerals are _______; that is, they have never been living and do not contain anything that once was living |
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The first mineral family consists of minerals such as diamonds, ______, or sulfur, which are composed of single elements. |
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The __________ mineral family consists of metals that are combined with sulfur. |
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The _______ mineral family consists of metals combined with hydrogen-oxygen molecules. |
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The _______ mineral family consists of metals combined with sulfur-oxygen molecules. |
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The __________ mineral family are minerals composed of oxygen combined with other elements. |
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The chloride mineral family consists of metals combined with _________. |
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The carbonate mineral family consists of metals combined with ______ molecules. |
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The silicate mineral family consists of metals combined with _____________ molecules. |
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Metals have metallic luster, are good conductors of heat and electricity, are tough, are __________, and are malleable. |
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_________ is probably the product of the decay of animal and marine life that perished during the flood. |
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Since coal, petroleum, and natural gas are _______, they are classified as mineral fuels. |
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_____________ have identified as many as 2,000 different kinds of animals. |
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___________ resources and national power are closely related. |
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One test for identifying a mineral is to examine its _________. |
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Another mineral test is to examine the mineral's _________ structure. |
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The _______ test is a test for the color of a mineral's powder. |
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A mineral may be identified by its ______. |
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A mineral may be identified by its shine, or _________. |
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Another mineral test is ________, or the way a mineral splits. |
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Archimedes discovered how to identify a mineral by finding its specific _________. |
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The _______ test shows whether a mineral is a carbonate. |
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About 40 minerals are called _________ minerals because they are so common and comprise so much of Earth's crust. |
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Metal deposits are usually ____________ with nonmetals or other metals. |
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________ must be mined from the Earth. |
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__________ ore is one of the most common ores. |
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The practicality and method of mining depend on the _______ and type of mining. |
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Iron and copper are dug from rock deposits by the process of _______ mining. |
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_______ only need to be cut and polished to make them ready for use. |
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Pure metals must be _______ with two or more other metals to give them greater strength or usefulness. |
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In their natural state, metals almost always combine with other elements to form _______ known as ores. |
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__________ are rock seams where ore is found. |
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______________ mining is the most practical method of mining a coal seam near the surface. |
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When andentire rock bed consists of a mineral, the ________ method is used. |
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After mining, most minerals must be put through special _______ processes to remove impurities |
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A steel tower lined with firebricks that can absorb hear and maintain high temperatures is __________ furnace. |
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