There are approximately 1.5 gallons of blood in an average human body. Average adult has 6 liters of blood (just under 1 and a half gallons), the average child has 1.5 liters, and the average infant has 500 mL of blood. Source(s): I'm a biology major.
Muscovite is another common mica mineral that has a single perfect cleavage similar to biotite and phlogopite. It also occurs in the same igneous and metamorphic rocks that biotite is found in. However, muscovite is much lighter in color than biotite, typically being colorless to white.
Rock Types. Granitic Bedrock and Granitic Gneiss Bedrock. Nearly 30 percent of the bedrock in the Mountain Resources Commission (MRC) region is made up of granitic bedrock and granitic gneiss bedrock, with both rock types originating as molten magma that intruded into the Earthâs crust and then cooled.