Florencite

Formula: LaAl₃(PO₄)₂(OH)₆, NdAl₃(PO₄)₂(OH)₆, CeAl₃(PO₄)₂(OH)₆, SmAl₃(PO₄)₂(OH)₆Mohs scale hardness: 5,5-6Specific gravity: 3.6 g/cm³(measured) ^{Rare earth elements:}^La^,^Ce, ^Nd,^Sm^{, Gd, Pr, Eu}^{Rare earth content, %:}Other constituents, %:Mineralklasse: PhosphateReferences