Quartz, fieldspar and mica are three principal mineral that …
Source: JAMB · 2023
Quartz, fieldspar and mica are three principal mineral that can easily be seen in
Explanation
Granite is an igneous rock made of large, visible crystals. Its main minerals are quartz, feldspar and mica, so you can see them with the naked eye.
Basalt has crystals too small to see. Coal and limestone are sedimentary rocks and are not made mainly of these minerals.
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