This webpage from Davidson provides a description of experiments in birefringence using calcite. Photos show the double images produced by calcite crystals, with explanation provided in text and a diagram of sodium nitrate and calcite crystals. A link provides images of a polarization experiment.
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Keywords:Informal Education,oai:nsdl.org:2200/20090204193843118T,slow ray,NSDL,Birefringence,Physics,Undergraduate (Lower Division),Engineering,General Public,Polarization,extraordinary,Polarize,High School,NSDL_SetSpec_439869,crystals,ordinary,Chemistry,Optics,fast ray,Higher Education,ray
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