M & W Minerals
Walter R. Kellogg
517 294 6709
Spruce Pine, Mitchell Co., North Carolina, USA
7.5 x 6.1 x 2.8 cm
$20 Click here to order this mineral.
The Opal can be found as a thin sheet on the surface of a matrix composed of Mica and Feldspar. It is a light green color under regular lighting, but under SW UV it is a very bright, vivid green.
From the Don Langham collection