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

    www.mindat.org/min-2067.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-(CaMgMg) Mineral Data

    www.webmineral.com/data/Jahnsite-(CaMgMg).shtml General Jahnsite-(CaMgMg) Information : Chemical Formula: CaMgMg2Fe+++2(PO4)4(OH)2•8H2O : Composition: Molecular Weight = 782.71 gm Calcium 5.12 % Ca 7.16 % CaO: Magnesium 9.32 % Mg 15.45 % MgO: Iron 14.27 % Fe 20.40 % Fe 2 O 3: Phosphorus 15.83 % P 36.27 % P 2 O 5: Hydrogen 2.32 % H 20.71 % H 2 O: Oxygen 53.15 % O ...
  • Jahnsite-(CaMgMg): Mineral information, data and localities.

    www.mindat.org/min-35968.html 2 photos of Jahnsite-(CaMgMg) associated with Jahnsite-(NaFeMg) NaFe 3+ Mg 2 Fe 3+ 2 (PO 4) 4 (OH) 2 · 8H 2 O: 2 photos of Jahnsite-(CaMgMg) associated with Jahnsite-(CaMnMg) {Ca}{Mn 2+}{(Mg,Fe 2+) 2}{Fe 3+ 2}(PO 4) 4 (OH) 2 · 8H 2 O: 2 photos of Jahnsite-(CaMgMg) associated with Jahnsite-(NaMnMg) {(Na,Ca)}{(Mn 2+,Fe 3+)}{(Mg,Fe 3+) 2}{Fe 3 ...
  • Jahnsite-(CaMnMg) Mineral Data

    www.webmineral.com/data/Jahnsite-(CaMnMg).shtml Moore P B , Araki T , American Mineralogist , 59 (1974) p.964-973, Jahnsite, CaMnMg2(H2O)8Fe2(OH)2[PO4]4: A novel stereoisomerism of, ligands about octahedral corner-chains Physical Properties of Jahnsite-(CaMnMg)
  • Jahnsite-(CaMgMg) Mineral Data

    webmin.mindat.org/data/Jahnsite-(CaMgMg).shtml Jahnsite-(CaMgMg) Classification: Dana Class: 42.11.03.07 Hydrated Phosphates, etc., Containing Hydroxyl or Halogen : where (AB)4 (XO4)3 Zq � x(H2O) Whiteite Group : 42.11.03.01 Whiteite-(CaFeMg) Ca(Fe,Mn)Mg2Al2(PO4)4(OH)2•8(H2O) ...
  • Jahnsite-(NaMnMg): Mineral information, data and localities.

    www.mindat.org/min-35967.html Jahnsite-(CaMgMg) {Ca}{Mg}{Mg 2}{Fe 3+ 2}(PO 4) 4 (OH) 2 · 8H 2 O: Other InformationHide. Health Risks: No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. References for Jahnsite-(NaMnMg)Hide. Reference List: ...
  • Jahnsite-(NaFeMg) mineral information and data

    www.dakotamatrix.com/mineralpedia/8747/jahnsite-nafemg The orange band I believe to be the original Jahnsite (CaMnMg) and the above the band is the again Jahnsite (NaFeMg) which finally phases into another new, not yet described Jahnsite (CaMgMg) at the tip. According to Kampf et al (2008), 80% of the crystal by volume is Jahnsite (NaFeMg).
  • Jahnsite-(CaMnMn) Mineral Data

    www.webmineral.com/data/Jahnsite-(CaMnMn).shtml General Jahnsite-(CaMnMn) Information : Chemical Formula: CaMn++Mn++2Fe+++2(PO4)4(OH)2•8(H2O) Composition: Molecular Weight = 874.61 gm Calcium 4.58 % Ca 6.41 % CaO: Manganese 18.84 % Mn 24.33 % MnO: Iron 12.77 % Fe 18.26 % Fe 2 O 3: Phosphorus 14.17 % P 32.46 % P 2 O 5: Hydrogen 2.07 % H 18.54 % H 2 O: Oxygen 47.56 % O
  • Whiteite-(CaMnMg): Mineral information, data and localities.

    zh.mindat.org/min-4278.html Whiteite Subgroup > Jahnsite Group Name: Named after John Sampson White, Jr., associate curator of minerals, Smithsonian institution; founder, editor and publisher (1970-1982) of the Mineralogical Record.
  • IMA 2019-073 = jahnsite-(CaMnZn) - Associazione Micro ...

    forum.amiminerals.it/viewtopic.php Whiteite-(CaMgMg) CaMgMg2Al2(PO4)4(OH)2·8H2O mon P2/a 14.8237 7.0302 9.946 90.00 110.115 90.00 2 whiteite jahnsite Whiteite-(CaMnMg) CaMn2+Mg2Al2(PO4)4(OH)2·8H2O mon P2/a 14.842 6.976 10.109 90.00 112.59 90.00 2 whiteite jahnsite