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Question | Answer |
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the look and feel of a rock’s surface, determined by the size, shape, and pattern of a rock’s grains. | texture |
a particle of mineral or other rock that gives a rock its texture. | grain |
a type of rock that forms from the cooling of molten rock at or below the surface. | igneous rock |
a type of rock that forms from existing rock that is changed by heat, pressure, or chemical reactions | metamorphic rock |
a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together. | sedimentary rock |
a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. | mineral |
a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals | Moh’s hardness scale |
the color of a mineral’s powder. | streak |
the way a mineral reflects light from its surface. | luster |
a mineral’s ability to split easily along flat surfaces. | cleavage |
the way a mineral looks when it breaks apart in an irregular way. | fracture |
the property of a mineral in which the mineral glows under ultraviolet light. | fluorescence |