David K. Joyce


6.5x5.5x2.5 cm
Paoli Deposit
Red Bed Dist.
Oklahoma, USA


Item number: 29150

Translucent emerald green nodules made up of small semi-spherical masses of brochantite crystals on a limonite matrix. Very interesting under magnification. This is a rare secondary-copper species for this location, and unlike brochantite from other locations! See the article in the Mineralogical Record Vol. 17, No. 6, pgs 371-374.