Pingwu Co., Mianyang Prefecture
5.03 x 5 x 1.64 inches (12.8 x 12.7 x 4.18 cm)
It is one thing to describe a mineral with the locality unknown, but this is a case of an unknown mineral variety! This piece from China is not much to look with its subtle black micro crystals on a sparkly white matrix, but this salt-and-pepper association in normal light also happens to be highly fluorescent. Most know that the majority of fluorescent minerals are not very attractive when not illuminated with black (ultraviolet) light. Most children loved the fluorescent exhibits growing up, and the lucky adults still do!
Condition report available upon request.
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