Natural galena whiskers

  title={Natural galena whiskers},
  author={Illa Bonev},
Abstract Natural galena whiskers have been observed in the hydrothermal polymetal deposit of “Mogilata”, Madan ore district, Bulgaria. Using optical goniometric and X-ray techniques there have been determined [100] and [110] whiskers, as well as different kinked whiskers connected with the change of the growth direction. The average thickness of the well shaped whisker is about 10–15 μ m. There have been observed together with them dendritic and needle-like galena crystals. On some whiskers are… CONTINUE READING