What's the difference between aerolite and cerolite?

Aerolite

Definition:

• (n.) A stone, or metallic mass, which has fallen to the earth from distant space; a meteorite; a meteoric stone.

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Cerolite

Definition:

• (n.) A hydrous silicate of magnesium, allied to serpentine, occurring in waxlike masses of a yellow or greenish color.

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