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.
Pumice is a type of extrusive igneous rock, formed from high silica lava which is explosively erupted from volcanoes.umice stone a highly abrasive material and because of this it is  commonly used to get rid of any calluses or dry skin from the heel  and the base of the foot. In ancient t â¦ imes, however, pumices stone  was also used by Roman and Greek cultures to get rid of excess hair  from the body.