General Information:
Chemical Formula:
H4Na2Ca(Zr,Ti)[Si6O18]
Composition:
(Molecular Weight = 586.90 gm)
Sodium 7.83 % Na
Zirconium 11.66 % Zr
Titanium 2.04 % Ti
Silicon 28.71 % Si
Hydrogen 0.69 % H
Oxygen 49.07 % O
Empirical Formula:
H4Na2Zr0.75Ti0.25Si6O18
Environment:
Sodalite xenoliths. Sometimes pseudomorphous after eudialyte.
Locality:
Lovozero massif, Kola Peninsula, Russia.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[???] Indistinct, [???] Indistinct
Color:
dark brown, reddish brown, or black.
Density:
2.3 - 2.7, Average = 2.5
Diaphaniety:
Opaque to translucent
Habits:
Microscopic Crystals - Crystals visible only with microscopes., Pseudo Cubic - Crystals show a cubic outline., Massive - Uniformly indistinguishable crystals forming large masses.
Hardness:
5 - Apatite
Luster:
Vitreous - Resinous
More details...