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Mineralpedia Details for Coconinoite

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Coconinoite

Coconinoite

Formula
Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2ยท20H2
Crystal System
Monoclinic 
Crystal Habit
Microscopic Crystals, Platy, Lath 
Color
yellow, cream yellow, light yellow 
Streak
white 
Class
Monoclinic 
Hardness
1-2 
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Coconinoite from Jomac mine, San Juan Co, Utah, United States

Coconinoite
            from Jomac mine, San Juan Co, Utah, United States

Light yellow earthy coatings on sandstone. Fairly rare worldwide.

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