Georgeericksenite

General Information:
 Chemical Formula:
Na6CaMg(IO3)6(CrO4)2·12(H2O)
 Composition:
(Molecular Weight = 1,699.91 gm)
Sodium 8.11 % Na
Calcium 2.36 % Ca
Magnesium 1.43 % Mg
Chromium 6.12 % Cr
Hydrogen 1.42 % H 
Iodine 44.79 % I 
Oxygen 35.77 % O 
 Empirical Formula:
Na6CaMg(IO3)6(CrO4)2·12(H2O)
 Environment:
Arid climate and associated with the Chilean nitrate caliche deposits.
 IMA Status:
Approved IMA (Dana # Added)
 Locality:
Oficina Chacabuco, Chile
 Name Origin:
Named after George E. Ericksen (1920-1996) of Reston, Virginia who conducted studies of nitrate deposits for the U.S.G.S.
Physical Properties:
 Cleavage:
None
 Color:
pale yellow or bright lemon yellow.
 Density:
3.035
 Diaphaniety:
Transparent to translucent
 Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Acicular - Occurs as needle-like crystals.,
 Hardness:
3-4 - Calcite-Fluorite
 Luminescence:
None.
 Luster:
Vitreous (Glassy)
 Streak:
pale yellow
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