General Information:
Chemical Formula:
Na2(PO3OH)·2(H2O)
Empirical Formula:
Na2(PO3)(OH)·2(H2O)
Environment:
Formed by alteration of lomonosovite in drill cores in alkalic pegmatites.
IMA Status:
Approved IMA 1980
Locality:
Khibina and Lovozero massifs, Kola Peninsula, Russia.
Name Origin:
Named for Moisei Davidovich Dorfman (1908-), Russian mineralogist who first reported a sodium phosphate in 1963.
Physical Properties:
Cleavage:
[???] Indistinct
Color:
white.
Density:
2
Habits:
Powdery - Forms a loose, poorly-coherent pulverulent mass., Aggregates - Made of numerous individual crystals or clusters., Very Soluble - Material dissolves readily in water leaving no residue.
Hardness:
1-1.5 - Talc or a little harder
Streak:
white
More details...