Texture of metamorphic rocks caused by the layering of mineral crystals

A change in the texture, structure, or chemical composition of a rock due to

Largely composed of solid sediments, such as the sand in sandstone, or the tiny pieces of clay in shale

The resistance a mineral offers to being scratched. Also, the scratchability (yes, this is a term in your book) of a mineral.

Uneven surfaces

Any rock made by living organisms or mostly composed of materials from life forms

The outward geometric shape of a mineral, also known as crystal form

Formed when magma solidifies beneath Earth's solid surface.

The tendency of a mineral to break along zones of weakness and form smooth to semi-smooth parallel sides, or surfaces

The pattern or arrangement of atoms that characterize each mineral

Formed when natural, molten rock-forming material cools and turns into a solid.

Formed when lava solidifies on or above Earth's solid surface.

Not part of a life form or made by living or former life forms; not organic

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