chlorophane

plural chlorophanes

1. countableuncountablechemistryA variety of fluorspar, which, when heated, gives a striking emerald-green light.

   CHLOROPHANE. The Amelia Court House, Va., locality yields a bluegreen fluorescing chlorophane. Kunz and Baskerville qualitatively studied the emission from Chlorophane in 1903. (See also the discussion for Fluorite which is also […]

   2013, Jack DeMent, Handbook of Fluorescent Gems and Minerals - An Exposition and Catalog of the Fluorescent and Phosphorescent Gems and Minerals, Including the Use of Ultraviolet Light in the Earth Sciences, Read Books Ltd, →ISBN

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   Chlorophane is the name given to those varieties of Fluorite (Fluorspar Calcium Fluoride), which possess to a noticeable extent the property of “thermo-luminosity ," that is to say, of spontaneous_' emitting light when heated. The temperature […]

   1904, Knowledge...: A Monthly Record of Science, page 72

   the light from chlorophane is incomparably less intense than that from a common lamp. For there can be no doubt that each of the ten discharges gave a light which lasted brilliantly for six seconds, and upon the whole was equal in duration […]

   1851, The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, page 94

2. countableuncountablebiologyThe yellowish-green pigment in the inner segment of the cones of the retina.