lacroixite
noun
la·croix·ite
| \ ləˈkrwäˌzīt\
plural -s
Definition of lacroixite
: a mineral approximately Na(Ca,Mn)AlPO4(OH)3 that consists of a basic phosphate of aluminum, calcium, manganese, and sodium often containing fluorine and that occurs in pale yellowish green crystals (hardness 4.1)
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