Collected by Robert J. Waidler as a geologist at the mine, this is one of the finest selenite clusters found at Morenci. The crystals are long, slender to over 1cm and are waterclear. There are two very nice divergent sprays. The specimen presents very well and very little if any damage.
Gypsum
Formula
CaSO4·2H2O
Crystal System
Monoclinic
Crystal Habit
Tabular, Crystalline - Coarse, Massive - Fibrous
Cleavage
Perfect, Distinct, Distinct
Luster
Pearly
Color
white, colorless, yellowish white, greenish white, brown