Metals including molybdenite in quartz, dirty chromite with oxide of chrome, antimonite, pyrantimonite, arsenic, orpiment, realgar crystal, arsenite octahedrons and pharmakolite. Chromolithograph from Dr. Aldolph Kenngott's "Mineralogy" section in Gotthilf Heinrich von Schubert's "Naturgeschichte," Schreiber, Munich, 1886.

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Keywords: 19th, adolph, antimonite, arsenic, arsenite, century, chrome, chromite, chromolithograph, crystal, dirty, dr., gem, gotthilf, heinrich, kenngott, metal, mineral, mineralogy, molybdenite, naturgeschichte, octahedron, ore, orpiment, oxide, pharmakolite, pyrantimonite, quartz, realgar, rock, schubert, stone, von