The word "chlorophane" is commonly misspelled as "chlorophene". The correct spelling is phonetically transcribed as /klɔːrəʊˈfeɪn/. The first syllable "chlo-" is pronounced with a long O sound, followed by the "-ro-" syllable pronounced as "roh". The final two syllables "-phane" are pronounced as "feyn". The spelling of this word is derived from the Greek words "chloros" meaning green and "phanos" meaning appear, hence this word refers to a green appearance. It is important to use the correct spelling, especially in scientific and medical contexts.
Chlorophane is a noun that refers to a fluorescent or phosphorescent mineral that exhibits a vibrant green color when exposed to ultraviolet light. The term is derived from the Greek words "chloros," meaning green, and "phaino," meaning to shine or appear.
Chlorophane is a variety of the mineral willemite, which is a zinc silicate. It is composed of zinc, silicon, and oxygen atoms arranged in a crystal lattice. This mineral is typically found in hydrothermal veins or as a secondary mineral in zinc ore deposits. Its distinctive green color is due to the presence of minor impurities or trace elements, such as manganese, iron, or chromium.
When a piece of chlorophane is exposed to ultraviolet light, it absorbs energy from the light and subsequently emits it as visible light in the green range of the spectrum. This phenomenon is known as fluorescence. In some cases, the emitted light may persist even after the ultraviolet source is removed, demonstrating phosphorescence.
Chlorophane's fluorescent properties have made it sought after by collectors and enthusiasts for its aesthetic appeal. Its bright green glow under ultraviolet light can be quite mesmerizing and striking. Additionally, to those with an interest in mineralogy, chlorophane serves as a fascinating example of the unique optical and physical properties that minerals can possess.
A greenish yellow pigment in the retina.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
A variety of fluor-spar, exhibiting a bright-green phosphorescent light when heated.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word chlorophane is derived from two Greek words: chloros meaning green and phanos meaning light or appearance. Combining these words, chlorophane literally translates to green light or green appearance.