Intarsia 414 Topaz This small specimen pair displays

This small specimen pair displays orange

Other photos have pieces shown with a quarter for size

19mm x 22mm x 16mm

This is a translucent to opaque light blue color

At the turn of the 20th century it led the world in copper production and "Lake Copper" was the purity standard

Intarsia 414 Topaz This small specimen pair displaysThis polished intarsia contains multiple layers of stone, with the center containing Dendritic Agate, Del Norte Plume Agate, and Turquoise; completed with a double border frame and black backing. The cabochon is constructed from 12 individual pieces. The three visible layers in the center are very distinct from each and creates nice contrast. The top layer of agate has strong black dendrites that act as foliage, with an otherwise clear agate that