• Ramsdellite - Wikipedia

    en.wikipedia.org/wiki/Ramsdellite Ramsdellite (Mn 4+ O 2) is an orthorhombic manganese dioxide mineral. It is relatively uncommon, and is usually found in deposits containing other manganese oxide crystals. Name. Ramsdellite is named after the American mineralogist, Lewis S. Ramsdell (1895–1975). ...
  • Ramsdellite: Mineral information, data and localities.

    www.mindat.org/min-3359.html Named in honor of Lewis Stephen Ramsdell (4 June 1895, Clinton, Michigan, USA - 14 July 1975, Palo Alto, California, USA), Professor of Mineralogy at the University of Michigan, who first described the mineral.
  • Ramsdellite | Definition of Ramsdellite by Merriam-Webster

    www.merriam-webster.com/dictionary/ramsdellite Ramsdellite definition is - a mineral consisting of manganese dioxide that is polymorphous with pyrolusite.
  • RAMSDELLITE (Manganese Oxide) - Amethyst Galleries

    www.galleries.com/Ramsdellite Ramsdellite is often a minor constituent of "Wad". The mining term "wad" is used to indicate massive ores that are a mixture of several manganese oxides such as pyrolusite, psilomelane, ramsdellite and others that are difficult to distinguish. Manganese is a strategically valuable metal since it is an essential ingredient in steel and other alloys.
  • Ramsdellite Mn4+O2 - Handbook of Mineralogy

    handbookofmineralogy.org/pdfs/ramsdellite.pdf Ramsdellite Mn4+O2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point Group: 2/m2/m2/m. Crystals, to 1 cm, are commonly pseudomorphs after groutite crystals; platy, fibrous, massive.
  • Ramsdellite | Article about ramsdellite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/ramsdellite The new strike of ramsdellite made in November 2008 at the Mistake mine, Yavapai County, Arizona, produced something like 30 flats of thumbnail and miniature specimens, much better on average than the ramsdellite specimens which were dug and marketed in the 1990s by the late Dave Shannon.
  • La Choya Coconut Geode Ramsdellite 3 | Crystal Ally

    www.crystalally.com/product/la-choya-coconut-geode-ramsdellite-3 La Choya Coconut Geode Ramsdellite Metaphysical and healing Properties. La Choya coconut geode/ Ramsdellite, with possible goethite, quartz geode has Ramsdellite in a very rare clear quartz color with rainbows and traces of other manganese minerals; along with, goethite with possible dark colored ramsdellite and iron oxides. This is a super ...
  • Ramsdellite Mineral Data

    webmineral.com/data/Ramsdellite.shtml Visit our Advertisers for Ramsdellite : Dakota Matrix Minerals Google Search for Ramsdellite John Betts Fine Minerals Search for Ramsdellite McDougall Minerals Google Search for Ramsdellite Rock and Mineral Shows Google Search for Ramsdellite Weinrich Minerals, Inc. Google Search for Ramsdellite. Ask about Ramsdellite here :
  • Crystallized Ramsdellite For Sale - Ramsdellite Crystals ...

    johnbetts-fineminerals.com/jhbnyc/ramsdellite.htm Below is a gallery of crystallized Ramsdellite for sale from John Betts - Fine Minerals in New York City, NY. Included in this gallery is ramsdellite for sale from the Mistake Mine in Arizona. Ramsdellite is an manganese oxide that occurs in pyrolusite deposits and is well known from the Mistake Mine.
  • Category:Ramsdellite - Wikimedia Commons

    commons.wikimedia.org/wiki/Category:Ramsdellite Media in category "Ramsdellite" The following 67 files are in this category, out of 67 total.