Selenite Needles

Cumberland Caverns, McMinville, TN

Fujichrome Velvia 50, OM-2S, 50mm macro lens, 1/60 second at f/16, T32 electronic flash, handheld.

"These gypsum needles, which actually grow in the cave soil, carpet the floor of sections of Cumberland Caverns by the square foot.  The longer specimens here measure over eight inches in length."