Question

I am formed from granite and mainly contains mica​

Answer 1

Answer:

Granite Rocks.

Explanation:

Granitic rocks mainly consist of feldspar, quartz, mica, and amphibole minerals, which form an interlocking, somewhat equigranular matrix of feldspar and quartz with scattered darker biotite mica and amphibole (often hornblende) peppering the lighter color minerals.

Answer 2

Answer:

Granite rock is formed from granite and mainly contains mica.

Explanation:

Granite rock is strong, durable, unique, and hard. Granitic rocks mainly contain feldspar, quartz, mica, and amphibole minerals.  The crystals in granite give various mixed colors feldspar (pink or red), mica (dark brown or black), quartz (clear pink, white, or black), and amphibole (black).