Describe how magnesium can be exchanged for iron in olivine without destroying the internal framework of the mineral
What will be an ideal response?
Answer: Magnesium and ferrous iron both have charges of 2+, so they can be switched in the mineral structure without too much trouble because the ions are roughly the same size.
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Which of these numbered features contains the least amount of Earth's water?
A) 1 Ocean
B) 2 Atmosphere
C) 3 Glaciers and ice sheet
D) 4 Groundwater
E) 5 Lakes
Calcite, halite, gypsum, and quartz are all light colored minerals with a similar appearance; however each mineral has a diagnostic property that makes it distinguishable from the others. Discuss in detail how you could easily identify these minerals
What will be an ideal response?
What are the characteristics of the lithosphere?
What will be an ideal response?
Which of the following statements about solid solution minerals is true?
a. two minerals with the same chemical composition can have different internal structures b. a mineral can have a variable internal structure depending on the chemical composition c. two ions can substitute in a mineral in various proportions without changing the internal structure d. none of the above