What portion of the definition of a mineral is most important
Question
1. What portion of the definition of a mineral is most important in determining the physical properties of minerals that are used in their identification? (2 points)
2. Minerals often display distinct three-dimensional shapes that can result from either crystal growth into free space such as a cavity or fracture in a rock, or by later breakage along cleavage planes. What is the primary distinction between a growth plane and a cleavage plane? (3 points)
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3. Why is color not always a reliable property to use in used in identifying a mineral? (2 points)
4. Look at Figure 9, the table used to identify dark colored non-metallic minerals. What is the first physical property used to differentiate between them? (1 point)
5. Look at Figure 9, the table used to identify dark colored non-metallic minerals. What is the second physical property used to differentiate between them? (1 point)
6. Look at Figure 10, the table for identifying metallic minerals. What is the first physical property used to differentiate between them? (1 point)