| COPIAPITE, ROMERITE, HALOTRICHITE, Dexter #7 Mine, Calf Mesa, San Rafael Swell, Emery County, Utah - 4 x 3.5 x 2 cm | |
 | Copiapite is yellow, Romerite is brown, and Halotrichite is white, and if there is purple, it is Coquimbite. These are phosphates and water soluble, so do not wash! |
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