Light grey/white eucryptite from the Midnight Owl Mine, Independence Gulch, Yavapai Co., Arizona. This is a beautiful specimen under short wave UV, showing a deep, saturated red fluorescent response. Under mid wave UV a dimmer pink/red response is seen. This specimen shows little to no fluorescence under long wave UV. The dimensions are 8 x 6 x 5 cm, 230 grams.