The most common optical properties we discussed in the class include:
A. color
B. streak
C. hardness
D. fracture
E. luster
F. transparency
查看答案
How many percentages do the nonsilicates make up approximately of Earth’s crust
A. 2
B. 8
C. 33
D. 76
The biotite belongs to:
A. Light silicate
B. Dark silicate
The feldspars group belong to:
A. Light silicate
B. Dark silicate
Ways of how minerals formed.
A. Precipitation of Mineral Matter
B. Crystallization of Molten Rock
C. Deposition as a Result of Biological Process
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