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SIDERITE (Horsetooth Siderite) on QUARTZ Crystal is 13 mm wide. Wheal Maudlin, Lanlivery, Lanivet Area, St Austell District, Cornwall, England Ex Natural Science Academy of Philadelphia specimen Collection of Paul DE BONDT, Flemish Brabant, Belgium Photo : Paul DE BONDT with the assistance of Richard DE NUL Photo courtesy of Paul DE BONDT |
This photo is copyrighted to Paul DE BONDT. Reproduction is prohibited without written consent.
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