Nodule from Spor Mountain

bertrandite nodule

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.


Image Dimensions: 1047 x 806

Date Taken:

Location Taken: UT, US