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Group of geocronite-jordanite crystals, with striated pseudohexagonal forms. They have a lighter gray luster than the galena with which they are often associated. The analyzes show a correlation between geochronite-jordanite, both are isostructural and form series. The crystals analyzed (both these that we present and others) show that the composition is in the intermediate zone of the series. Therefore, the correct way is to label these specimens as geocronite-jordanite, avoiding saying that they are only geochronite. We will send all analytical reports to the buyer.
The geocronite-jordanite crystals are found on a matrix formed by complex sphalerite crystals, almost black in color, associated with transparent green fluorite crystals, octahedral cubes, truncated by the cube and trapezohedron faces.