Benstonite With Fluorite and Sphalerite - Minerva No. 1 Mine, USA

Top 10 Amethyst Countries Map - EarthWonders Newsletter #8

specimen
Benstonite With Fluorite and Sphalerite
SpeciesSize
Comments
Details
ColorsBrown
SizeSmall
Dimensions6.3 x 4.0 x 3.5 cm
Species
Description
Named after Orlando J. Benston, an ore dressing metallurgist with the University of Illinois, this is a very rare and COMPLEX carbonate species that was found only sporadically, I nsmall pockets, in the odler days of this mine. This is a niec specimen showing the paragenesis of the mineral, on altering fluorite matrix.
Origin