A gray, foliated rock without bands of minerals

Parent rock is sedimentary shale

Commonly used in roofing and flooring

Was used to make slates (chalkboards) in school in the 1800's

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An earthy, foliated rock with sometimes hard-to-see bands of minerals

Parent rock is igneous basalt

Can sometimes morph into gneiss

Bands come in many different colors, such as gray, black, tan, white, and brown

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A foliated rock with easily identifiable mineral bands

Parent rock is igneous granite

On occasion, parent rock can be metamorphic schist

Bands come in a variety of different colors, including white, gray, black, tan, pink and light red

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A nonfoliated rock

Parent rock is sedimentary limestone

Usually white or pinkish orange in natural form

Frequently morphed into a white/pink form with veins of black/gray

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A nonfoliated rock

Parent rock is sedimentary sandstone

Chemical composition is 99% silicon dioxide

Comes in a variety of different colors, such as red, brown and green

Color is relatively consistent throughout

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A nonfoliated rock

Parent rock is sedimentary bituminous coal

Dark black, sometimes dark gray or dark brown

Glassy luster

Used as fuel

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A porphyroblast (a metamorphic rock with crystals in it)

Parent rock is igneous basalt

Light gray or tan

Has tiny, dark red garnet crystals growing in it

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