Basaluminite

General Information:
 Chemical Formula:
Al4(SO4)(OH)10·5(H2O)
 Composition:
(Molecular Weight = 464.14 gm)
Aluminum 23.25 % Al
Hydrogen 4.34 % H 
Sulfur 6.91 % S 
Oxygen 65.50 % O 
 Empirical Formula:
Al4(SO4)(OH)10·5(H2O)
Physical Properties:
 Color:
white, yellow, orange, or brown.
 Density:
2.12
 Diaphaniety:
Transparent to Translucent
 Hardness:
1.5 - Between Talc and Gypsum
 Luster:
Earthy (Dull)
 Streak:
white
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