Manasseite

General Information:
 Chemical Formula:
Mg6Al2(CO3)(OH)16·4(H2O)
 Composition:
(Molecular Weight = 603.98 gm)
Magnesium 24.14 % Mg
Aluminum 8.93 % Al
Hydrogen 4.01 % H 
Carbon 1.99 % C 
Oxygen 60.93 % O 
 Empirical Formula:
Mg6Al2(CO3)(OH)16·4(H2O)
Physical Properties:
 Cleavage:
[0001] Perfect
 Color:
bluish white, brownish white, grayish, white, or light bluish.
 Density:
2.05
 Diaphaniety:
Transparent
 Hardness:
2 - Gypsum
 Luster:
Pearly
 Streak:
white
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