Physical Characteristics: Box measures 1.5" x 1.5" x 0.75". Jarosite is a hydrous sulfate of potassium and iron with a hardness of 2.5 - 3.5. Found in Spain, as well as Colorado, Arizona, Idaho, California, and Nevada in the U.S. This piece is from near Tonopah, Nye County, Nevada.
Metaphysical Properties: We could not find any information on metaphysical uses of this mineral.