This spectacular fluorescent specimen is from the Long Lake Zinc Mine, Olden Township, near Parham, Frontenac Co., Ontario, Canada. The Long Lake Zinc Mine (aka LLZ) location is has been a prolific producer of specimens that show a multitude of pastel fluorescent colors under UV. Under short wave UV, this specimen shows pink/orange fluorescence due to calcite, fluorescent yellow dots from chondrodite, and blue from fluorescent diopside. The size of this rock is 71 x 70 x 41 mm, and it weighs 217 gms. This specimen was featured as Photo of the Day on Mindat, 1/22/16.
The photograph above shows fluorescence under short wave UV (254 nm).
Same specimen shown under visible light.