Nodule from Spor Mountain
By Geology, Energy & Minerals Science Center
2016 (approx.)
Detailed Description
Large layered nodule from the Roadside pit, Spor Mountain, Utah, showing fluorite, opal, and bertrandite mineralization. Beryllium is concentrated in the outer opal-fluorite zone; such samples can contain as much as 1-percent beryllium as bertrandite.
Sources/Usage
Public Domain.