col·lo·phane
| \ ˈkäləˌfān \
variants:
or collophanite \
kəˈläfəˌnīt , ˈkäləf-
\
plural -s
Definition of collophane
: 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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“Collophane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collophane. Accessed 11 Apr. 2021.
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