Tyrrellite (rare - Co-Type Locality), etc (Soregaroli Coll.)

Item Description

Tyrrellite is a very rare Cu-Co-Ni selenide and this colorful combination selenide thumbnail is from the obscure Co-type Locality. Specimens from here are rare and are very seldom on the market. Small patches of bronze-colored tyrrellite are noted on both sides of the matrix along with much bright blue chalcomenite and scattered grains of bluish red-black umangite. Fine and rare combination material from the Art Soregaroli Collection.