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Largest group of rock forming mineral's are

User Tanish
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The roughly 1,000 silicate minerals make up over 90% of Earth's crust. Silicates are by far the largest mineral group. (Feldspar and quartz are the two most common silicate minerals. The two are very common rock-forming minerals).
User Ryan Rinaldi
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silicate minerals make up over 90% of Earth's crust.
User McHerbie
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