Intarsia 421 Tourmaline and light grey-blue agate

and light grey-blue agate

All of these have a hardness between 6 - 7

This small skull carving is made out of solid black Onyx

the Arts and Mathematics as access points for guiding inquiry

Intarsia 421 Tourmaline and light grey-blue agateThis polished intarsia contains layers of stone, with the center containing Montana Moss 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 image in this intarsia is created from a scenic piece of Del Norte Plume Agate that has golden plumage over a cool brown and red earth. Above the plumes are translucent bands of agate that add a sense of