Question

d. The two most abundant rock minerals on the earth:
i.
ii.​

Answer 1

Answer:

If you consider it as one mineral, feldspar is the most common mineral on earth, and quartz is the second most common. This is especially true when you consider the whole crust (continental plus oceanic). In chemical terms, feldspar is XZ4O8, where X is a mixture of K, Ca, and Na, and Z is a mixture of Si and Al

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