collophane

noun col·lo·phane \ˈkäləˌfān\
variants: or

collophanite

\kəˈläfəˌnīt, ˈkäləf-\

Definition of collophane

plural

-s

  1. :  any of the massive cryptocrystalline varieties of apatite, often opaline or horny in appearance, used as a source of phosphate for fertilizers; usually :  a hydroxylapatite containing carbonate

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Origin and Etymology of collophane

International Scientific Vocabulary coll- + -phan or -phan + -ite; originally formed as German kollophan


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