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Formula: CO(NH2)2
Organic compound
Crystal System: Tetragonal
Specific gravity: 1.33 measured
Streak: Yellowish white
Colour: Colourless, pale yellow, pale brown
Environments
Urea is derived from bat guano and urine, stable only under very arid conditions
(Mindat).
Localities
At the type locality, Toppin Hill, Lake Rason, Laverton Shire, Western Australia, urea was found as a damp
incoherent mass of crystals in cave guano from warm arid environment, associated with ammonian
aphthitalite, phosphammite
and weddellite
(AM 59.874 Mindat).
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