Dimension:34х27х21mm;

Formula:K4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3
Colour:Rose-red to straw-yellow
Lustre:Silky
Hardness:5
Specific Gravity:3.05
Crystal System:Monoclinic
Name:Named after its discovery locality, Mount Yukspor, Khibina alkaline complex, Kola Peninsula, Russia.
Type Locality:ⓘ Hackman Valley, Yukspor Mt, Khibiny Massif, Murmansk Oblast, Russia