Chris Clemens
Nov 21, 2017
This calcite was mined by the Griffith family in 2017 from their private commercial specimen mining operation located in Hastie's quarry in the Spar Mountain area near Cave-In-Rock, Illinois. Under long wave UV the calcite shows a beautiful rich orange fluorescent response, and a similar, but dimmer response is seen under short wave UV. This piece really comes to life under mid wave UV, showing bright pink/magenta fluorescence. The size of this specimen is 70.0 x 59.5 x 54.0 mm, and it weighs 232 grams.
There are also clusters of small, cubic, dark purple colored fluorite crystals on this specimen, but they are not fluorescent.