
General Information:

Chemical Formula:
Na3Mn3Ti0.25Si8O20(OH)2·10(H2O)

Composition:
(Molecular Weight = 1,004.59 gm)
Sodium 6.87 %
NaTitanium 1.19 %
TiManganese 16.41 %
MnSilicon 22.37 %
SiHydrogen 2.21 %
H Oxygen 50.96 %
O 
Empirical Formula:
Na3Mn2+3Ti0.25Si8O20OH2·10(H2O)

IMA Status:
Approved IMA 1973
Physical Properties:

Cleavage:
[100] Perfect, [010] Perfect, [001] Perfect

Color:
brown, violet red, golden yellow, or reddish brown.

Density:
2.39

Hardness:
3 - Calcite
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