General Information:
Chemical Formula:Al4(SO4)(OH)10·12-36(H2O)
Composition:(Molecular Weight = 644.29 gm)Aluminum 16.75 %
AlHydrogen 6.26 %
H Sulfur 4.98 %
S Oxygen 72.01 %
O Empirical Formula: Al4(SO4)(OH)10·15(H2O)
Environment:Precurser mineral to basaluminite.
Locality:Irchester and elsewhere in England.
Name Origin:Named for the composition and relation to basaluminite.
Physical Properties: Color:white.
Density:2.275
Habits:Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., ,
Luster:Earthy (Dull)
Streak:white
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