Activity B. Identify the property of the mineral being described. The first given letter will serve as clue.
1. What R refers to the solid minerals that make up most of Earth's crust?
2. What H refers to the way a mineral resist being scratched?
3. What S is used to test the hardness of a mineral?
4. What L refers to the way a mineral reflects light?
5. What Crefers to the property of minerals to break along one or more smooth, flat surface?
1. What R refers to the solid minerals that make up most of Earth's crust?
2. What H refers to the way a mineral resist being scratched?
3. What S is used to test the hardness of a mineral?
4. What L refers to the way a mineral reflects light?
5. What Crefers to the property of minerals to break along one or more smooth, flat surface?
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Answer:
1. rocky crust
2. hardness
3. scale
4. luster
5. Cleavage - The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice. These two-dimensional surfaces are known as cleavage planes and are caused by the alignment of weaker bonds between atoms in the crystal lattice.
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