General Information:
Chemical Formula:
Na3Mn(PO4)(CO3)
Composition:
(Molecular Weight = 278.89 gm)
Sodium 24.73 % Na
Manganese 19.70 % Mn
Phosphorus 11.11 % P
Carbon 4.31 % C
Oxygen 40.16 % O
Empirical Formula:
Na3Mn2+(PO4)(CO3)
Environment:
Syenite pegmatite.
IMA Status:
Approved IMA 1979
Locality:
Mt. Alluaiv, Lovozero massif, Kola Peninsula, Russia.
Name Origin:
Named for Alexander V. Sidorenko (1917-1982), Russian mineralogist.
Physical Properties:
Cleavage:
[100] Perfect, [010] Perfect, [001] Indistinct
Color:
light pink.
Density:
2.9
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.,
Hardness:
2 - Gypsum
Luster:
Vitreous - Pearly
Streak:
white
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