Fluorite on sphalerite
description: LOCALITY: Gibraltar Mine, Naica, Chihuahua, Mexico 5" long Ex Evan Jones and Dick Morris collections. This fine piece resembles a "string" of fluorite crystals on a matrix of crystallized sphalerite. The fluorite is mainly transparent with lightly frosted crystal faces. None of the fluorite of this piece shows any evidence of contacting or damage. The fluorite crystals of this piece appear to "roll" from the top horizon of the specimen and then all the way down to the matrix.
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