Sphalerite, Calcite, Willemite, and Hydrozincite, Miller Canyon, Arizona


An interesting, but not exceptional rock from Miller Canyon. However, the sphalerite's phosphorescence is quite interesting and exhibits a flash that I hadn't seen before. Like calcite, the sphalerite seems to flash quite brightly when the longwave lamp is turned off. Unlike calcite, it continues to phosphoresce for quite awhile. Shown in phosphorescence, SW, SW+LW, MW, MW+LW, LW, and finally natural.



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