Calcite Crystals

PIRA 6H35.10

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Description:

Birefringent materials, including calcite crystals, have the ability to refract an unpolarized incident ray into two separate polarized rays. The refracted rays are referred to as the "ordinary," or "O" ray, which obeys Snell's Law, and the "extraordinary," or "E" ray, which does not. The crystal is set on the overhead over a small hole made in a note card. A polaroid sheet can be used to check the polarization of the exiting rays.

Recipe and
Location:

Section G
Section G
Section I

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