• Jahnsite-(NaFeMg): Mineral information, data and localities.

    www.mindat.org/min-31994.html For the mineral jahnsite and its sodium, iron and magnesium content. The root name is in honor of Richard Henry Jahns (March 10, 1915 Los Angeles, California, USA - December 31, 1983 Palo Alto, California, USA), mineralogist and pegmatite expert, Stanford University, Palo Alto, California, USA.
  • Jahnsite-(NaFeMg) Mineral Data

    www.webmineral.com/data/Jahnsite-(NaFeMg).shtml Visit our Advertisers for Jahnsite-(NaFeMg) : Dakota Matrix Minerals Google Search for Jahnsite-(NaFeMg) John Betts Fine Minerals Search for Jahnsite-(NaFeMg) McDougall Minerals Google Search for Jahnsite-(NaFeMg) Rock and Mineral Shows Google Search for Jahnsite-(NaFeMg) Weinrich Minerals, Inc. Google Search for Jahnsite-(NaFeMg)
  • Jahnsite-(NaFeMg) mineral information and data

    www.dakotamatrix.com/mineralpedia/8747/jahnsite-nafemg Jahnsite - (NaFeMg) occurs in at the Tip Top pegmatite west of Custer, South Dakota. Thus far it has been a one-time find. Crystals occur as 1mm pseudo-orthorhombic twinned prisms to 1mm in tiny vugs within Heterosite with dark purple Leucophosphite and Dufrenite. The crystals are translucent yellow with orange bands near the termination.
  • Jahnsite-(CaMnFe): Mineral information, data and localities.

    www.mindat.org/min-2066.html Jahnsite Subgroup > Jahnsite Group Name: Named in 1974 by Paul (Paulus) Brian Moore and Takaharu Araki in honor of Richard Henry Jahns (March 10, 1915 Los Angeles, California, USA - December 31, 1983 Palo Alto, California, USA), mineralogist and pegmatite expert, Stanford University, Palo Alto, California, USA.
  • Jahnsite-(CaMnMn): Mineral information, data and localities.

    www.mindat.org/min-2068.html About Jahnsite- (CaMnMn) Hide. Named in 1990 by Joel Denison Grice, Pete J. Dunn, and Robert A. Ramik in honor of Richard Henry Jahns (March 10, 1915 Los Angeles, California, USA - December 31, 1983 Palo Alto, California, USA), mineralogist and pegmatite expert, Stanford University, Palo Alto, California, USA. The suffix indicates metal site occupancies.
  • Jahnsite-(NaFeMg), a new mineral from the Tip Top mine ...

    www.degruyter.com/view/j/ammin.2008.93.issue-5-6/.../am.2008.2771.xml Jahnsite-(NaFeMg) is the first member of the whiteite-jahnsite group in which a monovalent cation (Na +) predominantly occupies the X site and a trivalent cation (Fe 3+) the M1 site. The structure differs from that determined for jahnsite-(CaMnMg) in that the X site is [8]-coordinated and the M1 and P1 polyhedra exhibit greater distortions ...
  • Jahnsite-(NaFeMg), a new mineral from the Tip Top mine ...

    pubs.geoscienceworld.org/msa/.../jahnsite-nafemg-a-new-mineral-from-the-tip-top User Tools. Sign In
  • Jahnsite-(NaFeMg), a new mineral from the Tip Top mine ...

    www.researchgate.net/.../250130201_Jahnsite-NaFeMg_a_new_mineral_from_the_Tip... Jahnsite-(NaFeMg) is the first member of the whiteite-jahnsite group in which a monovalent cation (Na(+)) predominantly occupies the X site and a trivalent cation (Fe(3+)) the M1 site.
  • Jahnsite-(NaFeMg), a new mineral from the Tip Top mine ...

    rruff.info/doclib/am/vol93/AM93_940.pdf Jahnsite-(NaFeMg) is the first member of the whiteite-jahnsite group in which a monovalent cation (Na + ) predominantly occupies the X site and a trivalent cation (Fe 3+ ) the M1 site.
  • Jahnsite-(NaMnMg) Mineral Data

    www.webmineral.com/data/Jahnsite-(NaMnMg).shtml Image not yet available on Webmineral.com . Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.