Uranophane, yellow prismatic crystals, New Mexico
A sharp specimen with several clusters of yellow prismatic crystals of Uranophane from Poison Canyon, McKinley County, New Mexico.
Uranophane is CaH2(SiO4)2(UO2)•5(H2O). From "uran" and phanos - "to appear."
Measures 7 x 5.5 x 4.6 centimeters.
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