General Information:
Chemical Formula:
CaMg(UO2)(CO3)3·12(H2O)
Composition:
(Molecular Weight = 730.62 gm)
Calcium 5.49 % Ca
Magnesium 3.33 % Mg
Uranium 32.58 % U
Hydrogen 3.31 % H
Carbon 4.93 % C
Oxygen 50.37 % O
Empirical Formula:
CaMg(UO2)(CO3)3·12(H2O)
Environment:
Mine wall efflorescence.
Locality:
Hillside mine, Yavapai County, Arizona, USA.
Name Origin:
Named for Charles K. Swartz (1861-1949), geologist and mineralogist, John Hopkins University.
Physical Properties:
Color:
yellowish, yellowish white, or light green.
Density:
2.3
Habits:
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Luminescence:
Fluorescent, Short UV=bright green, Long UV=bright green.
Streak:
white
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