| ... Erst knapp 50 Jahre später liegen wieder Nachrichten vor, und zwar Abrechnungen aus den Jahren 1782 bis 1791. Die damaligen Pächter waren die Krettnicher Einwohner Nicolaus Wiesen, Matthias Finkler und Johann Bathis, Ersterer hatte in den 10 Jahren 346 Rtl., der zweite 95 Rtl. und der letzte 146 ... more... Erst knapp 50 Jahre später liegen wieder Nachrichten vor, und zwar Abrechnungen aus den Jahren 1782 bis 1791. Die damaligen Pächter waren die Krettnicher Einwohner Nicolaus Wiesen, Matthias Finkler und Johann Bathis, Ersterer hatte in den 10 Jahren 346 Rtl., der zweite 95 Rtl. und der letzte 146 Rtl. eingenommen. Hauptabnehmer waren Johannes Scherer in Scheuern, Pastor Anhäuser in Lockweiler, sowie Johannes Bördeler (Birtel) in Krettnich, die offenbar das abgenommene Erz auf eigene Rechnung weitervertrieben. Als Bergmann war damals Paul Jungblut ... Ein Bericht von Berthold Stein |
| Iin 1546 Georgius Agricola reported about a white metal which is fused to the Rammelsberg lead and silver melter and that you could scrape off. He called this metal "contrefey", because it could imitate gold. Agricola did not recognize that this metal was zinc. He further observed that a similar met ... moreIin 1546 Georgius Agricola reported about a white metal which is fused to the Rammelsberg lead and silver melter and that you could scrape off. He called this metal "contrefey", because it could imitate gold. Agricola did not recognize that this metal was zinc. He further observed that a similar metal, which he named from some unknown reasons "ZINCUM" arose under similar circumstances in Silesia during smelting. |
| In the late Middle Ages massive amount of Baryt which phosphoresced when it was gently heated, were discovered in Italy. This stone was named after its place of discovery "Pietra fosforica di Bologna" (phosphorescent Bologna stone) and was of great interest to alchemists. Although the name baryte ha ... moreIn the late Middle Ages massive amount of Baryt which phosphoresced when it was gently heated, were discovered in Italy. This stone was named after its place of discovery "Pietra fosforica di Bologna" (phosphorescent Bologna stone) and was of great interest to alchemists. Although the name baryte has been assigned centuries later, it may be assumed that the Bologna stone is the first description in the literature. A portrait about this famous mineral by Peter Seroka. |