The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is? by Sunday | Jul 6 | Agricultural Science WAEC | 0 comments A. biotite B. quartz C. mica D. granite E. basalt Correct Answer: Option B – quartz Users Also Read These:Rocks minerals are said to be crystalline when the…Granite rocks contain?What is the difference between crystalline and an…Which of the following rocks is not formed from…The formation of metamorphic rocks normally involves…