KEARNEY — Jim Armagost loves to get stoned. Stoned, that is, with turquoise, lapis lazuli, moonstone and obsidian. Armagost creates pendants and rings from silver and precious stones. A retired ...

A set of six antique brooches, set with diamonds and light blue cabochons, was investigated with microscopy, Raman analysis, and EDXRF spectroscopy. Most of the cabochons proved to be fossilized ...