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The Laws of Relative Dating; Absolute Dating; Calculating Half Life; Calculating Half Life. We use several radioactive isotopes to find the absolute age of

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Absolute Time. Radiometric Dating: Individual crystals of the same mineral are dated to give the age of crystallization or cooling.

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Other minerals that also show these properties, but are less commonly used in radiometric dating are Apatite and sphene. If a The Age of the Earth.

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