collophane
noun
col·lo·phane
\ˈkäləˌfān\
variants: or
collophanite
\kəˈläfəˌnīt, ˈkäləf-\Definition of collophane
-s
: 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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