General Information:
Chemical Formula:
Na2Mg38Al24(CO3)13(SO4)8(OH)108·56(H2O)
Composition:
(Molecular Weight = 6,011.40 gm)
Sodium 0.76 % Na
Magnesium 15.36 % Mg
Aluminum 10.77 % Al
Hydrogen 3.69 % H
Carbon 2.60 % C
Sulfur 4.27 % S
Oxygen 62.55 % O
Empirical Formula:
Na2Mg38Al24(CO3)13(SO4)8(OH)108·56(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
[???] Perfect
Color:
yellow green, white, or light yellow.
Density:
1.48 - 1.53, Average = 1.5
Hardness:
1-1.5 - Talc or a little harder
Streak:
white
More details...