Siderite and chalcopyrite
description: <p style="text-align: justify;">LOCALITY: Bijie, Guizhou, China <br /><br />4" across <br /><br />Bijie only produced a small number of mineral specimens. Very few high quality siderite specimens were preserved. This is one of the finer specimens of siderite that this locality produced. <br /><br />The piece consist of siderite crystals with faces that are as lustrous as polished glass. The siderite crystals are translucent and brown with a greenish hue. The siderite is with small but sharp and lustrous crystals of chalcopyrite. <br /><br />Importantly, this piece is in remarkably good condition all over. It would be challenging to collect siderite in pristine condition from an operating mine since it is a soft mineral which exhibits perfect cleavage along three planes.</p> <p style="text-align: justify;"> </p> <p style="text-align: justify;">This fine 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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