Fluorite and arsenopyrite on magnetite
description: <p style="text-align: justify;">LOCALITY: Huang Gang Mine, Inner Mongolia Autonomous Region, China <br /><br />4" across <br /><br />The piece consist of: (a) a colorless, gemmy, fluorite crystal of complex morphology with very very slightly frosted faces, (b) a spear-shaped group of lustrous lollingite crystals, (c) a matrix that consist of what appears to be crystalline magnetite. Both the fluorite crystal and lollingite crystal aggregate contrast with the matrix as a result of their different colors, lusters and morphology. <br /><br />The lollingite on this piece presents as a spear-shaped crystal group. When I first saw it, I wondered whether the lollingite may be a type of pseudomorph after another species.</p> <p style="text-align: justify;"> </p> <p style="text-align: justify;">This piece was traded from the collection of Professor Stephen Smale during a visit to Hong Kong in November 2013.  </p> <p style="text-align: justify;"> </p> <p style="text-align: justify;">Photo by Matthew Webb of Melbourne, Victoria, Australia  </p>
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