Chlorite schist and serpentinite differ in that serpentinite cannot be scratched with a fingernail whereas chlorite schist can.
Metamorphic rocks are created through the transformation of one type of rock into another, or metamorphism. Pressures of at least 100 megapascals and temperatures between 150 and 200 °C are usually applied to the original rock, which significantly alters its physical or chemical makeup.
(C) The difference between serpentinite and chlorite schist is that chlorite schist can be scratched by a fingernail, but serpentinite cannot
(D) Slate and phyllite are both generated in analogous methods, but phyllite is subjected to higher temperatures and pressures than slate, which causes the clay in the substance to disintegrate and form mica. Phyllite contains larger than slate-sized mica that is apparent as a sheen on the material's surface.
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