AQUAMARINE is the sky-blue to sea-green gem variety of BERYL. This Aquamarine is blue in color, gemmy, and transparent. The specimen is terminated with excellent crystal structure. The sides are adamantine while the top is vitreous. There is minor Muscovite (Mica). This piece is from the collection of Roger Maynard. Roger is a friend and long-time geologist with the US Geological Survey in New Mexico.
Large, translucent SCHEELITE crystal with a contact twin. The largest face is 1.4 inches long. Brilliant golden-yellow color. It fluoresces blue under short wave UV light. The matrix is silvery MUSCOVITE. The specimen is from the famous Pingwu mine in China. Scheelite is a major ore for Tungsten.This specimen is from the collection of Roger Maynard. Roger is a friend and was a long-time geologist with the US Geological Survey.