I have been in the IT business for over 35 years, starting as a mainframe operator to programmer, systems analyst, manager, director and Vice President of Technology. Because of some health issues I now find myself with lots of free time which I'm using to learn more about the online cyberworld. My online experience goes back to the early 1980's when I had one of those first CompuServe accounts (on a Commodore 64), then experience with BBSs (with a 300 baud modem), to AOL, then Netscape Navigator, IE, Firefox, et al. With my new "free time" I'm trying to explore and understand the Internet of the 21st century - Web 2.0, etc.
Hübnerite is a mineral consisting of manganese tungsten oxide, with a chemical formula MnWO4. It typically occurs in association with high-temperature hydrothermal vein deposits and altered granites and in alluvial deposits. Hübnerite is the manganese endmember of the wolframite solid solution series, with ferberite (FeWO4) the opposite iron endmember. Color differences between members of the wolframite family are clear and marked, with the color of hübnerite varying from yellowish brown to reddish brown. It was first described in 1865 for an occurrence in the US state of Nevada and was named after the German mining engineer and metallurgist Adolf Hübner. This stacked image, composed of 38 individual photographs, shows red hübnerite crystals with quartz extracted from the Pasto Bueno mine in Pallasca Province, Peru.
