
GIA Carlsbad manager of colored stones identification and G&G regular contributor Nathan Renfro took second place in the Light Microscopy–Physical Sciences division of the Royal Microscopical Society’s biennial Scientific Imaging Competition. The award-winning image (see above) shows a rutile star in smoky quartz.

GIA Carlsbad manager of colored stones identification and G&G regular contributor Nathan Renfro took second place in the Light Microscopy–Physical Sciences division of the Royal Microscopical Society’s biennial Scientific Imaging Competition. The award-winning image (see above) shows a rutile star in smoky quartz.




