Compared to felsic rocks, mafic rocks will generally have alow density and light colorlow density and dark colorhigh density and light colorhigh density and dark color

Which TWO of the following form by the metamorphism of mafic and ultramafic rock?Group of answer choicesgnesshornfelsmarblephyllitequartziteschistserpentiniteslatetalc

Igneous rocks are classified based upon their mineral composition and _____.A.textureB.temperatureC.hardnessD.density

Rocks with the same chemical composition will have the same properties.Group of answer choicesTrueFalse

Generally, a rock that is black is made up of crystals that are rich in Iron and Magnesium. This is NOT the case with this rock (____________), which is instead rich in Silicon and Aluminum.  Its pitch-black, shiny appearance is due to the ABSENCE of crystals - it is pure GLASS. It forms from magma that is so gooey that elements cannot "move around" through it to arrange themselves into crystals.Group of answer choicesobsidiangranitebasaltpumice

It is important to understand classifications of rock because the different classifications have different aesthetic qualities and physical performance/ attributes.  What classification is Marble?