Artifical calcite single crystals are grown by the hydrothermal method. Their luminescence under cathode ray bombardment is studied. Cathodo-thermoluminescence gives results extending those known for natural calcite. The cathodoluminescence displays, besides the orange-red emission attributed to manganese, an emission around 373 nm. Near liquid helium temperature, the emission of manganese disappears.
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Visocekas et al. (1973) studied this question.
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