What are the two groups of feldspar minerals called?
A) Microcline and orthoclase
B) Potassium feldspar and plagioclase
C) Sodium and calcium
D) Albite and anorthite
Correct Answer:
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A)Resistance to
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Q28: A(n)_ is a silicate structure where no
Q29: What is the mineral name for table
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Q32: Which group of silicate minerals has two
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