Fluorite, Summit Cleft, Weisseck, South Slope, Salzburg, Austria
This is the "big blue". Although it is 7cm thick the crystals show very good translucency - with moderately backlight it shows wonderful internal color with lot of steps of blue and blue-green. It depends on light-source, light intensity and angle and it always looks a little different, but always amazing. The largest crystal is 67cmm on edges. The specimen is out of the thirdth cavern of the famous summit cleft in the south slope of Weisseck mountain, about 2650 meters above sea-level. No significant damages to report, backside is sawed.