General Information:
Chemical Formula:
Na2Si22O41(OH)8·6(H2O)
Composition:
(Molecular Weight = 1,563.99 gm)
Sodium 2.94 % Na
Silicon 39.51 % Si
Hydrogen 1.29 % H
Oxygen 56.26 % O
Empirical Formula:
Na2Si22O41(OH)8·6(H2O)
Environment:
Formed by the leaching of magadiite, and from saline brines in playa evaporite alkaline lake deposits.
IMA Status:
Approved IMA 1967
Locality:
Lake Magadi, Kenya.
Name Origin:
Named for the country of origin.
Physical Properties:
Color:
white.
Density:
3.18
Habits:
Nodular - Tuberose forms having irregular protuberances over the surface., Concretionary - Rounded massive fine-grained materials.,
Luminescence:
Sometimes Fluorescent, Short UV=very pale yellow.
Streak:
white
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