penroseite
/ˌpɛnˈroʊsɪt/Definitions
1. noun
A rare earth mineral with the chemical formula Ca2Mn3Fe4(PO4)6(OH)2·2H2O, found in iron and manganese deposits.
“Geologists discovered a new vein of penroseite in the remote mining region.”
1. noun
A rare earth mineral with the chemical formula Ca2Mn3Fe4(PO4)6(OH)2·2H2O, found in iron and manganese deposits.
“Geologists discovered a new vein of penroseite in the remote mining region.”