STF106c Stefoinite Cabochon Laguna Agate 13mm x 9mm

13mm x 9mm

14K Yellow Gold

Cold Mountain Thundereggs are highly silicate and feature large amounts of brecciation that has also been filled with silica

and black agate

Turquoise split layer

STF106c Stefoinite Cabochon Laguna Agate 13mm x 9mmStefoinite is a rare brecciated jasper from Wyoming, most likely Sweetwater County, discovered originally by Rudy Stefoin. Material is limited as the exact location is no longer known, and collecting last occurred in the 1970s. Typically, it shows tan jasper with brecciated patterns filled with translucent black, white, or blue chalcedony. This polished Stefoinite cabochon features varying shades of tan with dark brown and black within the