Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria
<p>Manganrockbridgeite, Mn<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M7" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant=&...
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2023-04-01
|
| Series: | European Journal of Mineralogy |
| Online Access: | https://ejm.copernicus.org/articles/35/295/2023/ejm-35-295-2023.pdf |
| _version_ | 1797839954722684928 |
|---|---|
| author | I. E. Grey R. Hochleitner A. R. Kampf S. Boer C. M. MacRae J. D. Cashion C. Rewitzer W. G. Mumme |
| author_facet | I. E. Grey R. Hochleitner A. R. Kampf S. Boer C. M. MacRae J. D. Cashion C. Rewitzer W. G. Mumme |
| author_sort | I. E. Grey |
| collection | DOAJ |
| description | <p>Manganrockbridgeite,
Mn<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M7" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">2</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="12pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="f847710bcb164466748dff710f279cd8"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00005.svg" width="12pt" height="16pt" src="ejm-35-295-2023-ie00005.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M8" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="12pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="9149f9bd858bfe4181c78f6fa2338b56"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00006.svg" width="12pt" height="17pt" src="ejm-35-295-2023-ie00006.png"/></svg:svg></span></span>(PO<span class="inline-formula"><sub>4</sub></span>)<span class="inline-formula"><sub>3</sub></span>(OH)<span class="inline-formula"><sub>4</sub></span>(H<span class="inline-formula"><sub>2</sub></span>O), is a new
member of the rockbridgeite group, from the Hagendorf-Süd pegmatite,
Oberpfalz, Bavaria. It occurs in association with frondelite, kenngottite,
hureaulite and hematite. It forms compact intergrowths and clusters of shiny
greenish black blades up to 200 <span class="inline-formula">µ</span>m long and 20 <span class="inline-formula">µ</span>m wide but only a few micrometres thick. The crystals are elongated on [100] and flattened on
{001}, with perfect cleavage parallel to
{001}. Individual thin blades are green in
transmitted light and red under crossed polars. The calculated density is
3.40 g cm<span class="inline-formula"><sup>−3</sup></span>. Manganrockbridgeite is biaxial (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M16" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>+</mo><mo>/</mo><mo>-</mo></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="25pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="9c7c30766d6581c7ab14ef35929c92be"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00007.svg" width="25pt" height="14pt" src="ejm-35-295-2023-ie00007.png"/></svg:svg></span></span>), with
<span class="inline-formula"><i>α</i>=</span> 1.795(5), <span class="inline-formula"><i>β</i>=</span> 1.805(calc), <span class="inline-formula"><i>γ</i>=1.815</span>(5)
(white light) and 2<span class="inline-formula"><i>V</i></span>(meas.) <span class="inline-formula">=</span> 90(2)<span class="inline-formula"><sup>∘</sup></span>. The empirical formula from
electron microprobe analyses, Mössbauer spectroscopy and crystal
structure refinement is
(Mn<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M23" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">1.07</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="f8d0c890d17a4fe5641fa830c8d9b888"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00008.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00008.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M24" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">0.69</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="6140eeb81283a299aad01dc1aa2300ba"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00009.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00009.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M25" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">0.16</mn><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="4e168c2332dc045dff9c24f64490549b"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00010.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00010.png"/></svg:svg></span></span>)<span class="inline-formula"><sub>Σ1.92</sub></span>(Fe<span class="inline-formula"><sup>3+</sup></span>)<span class="inline-formula"><sub>2.88</sub></span>(PO<span class="inline-formula"><sub>4</sub></span>)<span class="inline-formula"><sub>3</sub></span>(OH)<span class="inline-formula"><sub>3.64</sub></span>(H<span class="inline-formula"><sub>2</sub></span>O)<span class="inline-formula"><sub>1.44</sub></span>.
Manganrockbridgeite has monoclinic symmetry with space group P2<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M34" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi/><mn mathvariant="normal">1</mn></msub><mo>/</mo><mi>m</mi></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="23pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="25ef404f022c9fc67f6659919cdd7699"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00011.svg" width="23pt" height="14pt" src="ejm-35-295-2023-ie00011.png"/></svg:svg></span></span> and
unit-cell parameters <span class="inline-formula"><i>a</i>=5.198</span>(2), <span class="inline-formula"><i>b</i>=16.944</span>(5), <span class="inline-formula"><i>c</i>=7.451</span>(3) Å,
<span class="inline-formula"><i>β</i>=110.170</span>(9)<span class="inline-formula"><sup>∘</sup></span>, <span class="inline-formula"><i>V</i>=616.0</span>(4) Å<span class="inline-formula"><sup>3</sup></span> and <span class="inline-formula"><i>Z</i>=2</span>.
The crystal structure was refined using both laboratory and synchrotron
single-crystal diffraction data. Whereas other rockbridgeite-group minerals
have orthorhombic symmetry with a statistical distribution of
50 % Fe<span class="inline-formula"><sup>3+</sup></span> <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M44" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="9e2acdc284f0ee371079cabe514804d7"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00012.svg" width="8pt" height="14pt" src="ejm-35-295-2023-ie00012.png"/></svg:svg></span></span> 50 % vacancies in <span class="inline-formula"><i>M</i></span>3-site octahedra forming face-shared
chains along the 5.2 Å axis, monoclinic manganrockbridgeite has full
ordering of Fe<span class="inline-formula"><sup>3+</sup></span> and vacancies in alternate <span class="inline-formula"><i>M</i></span>3 sites along the 5.2 Å
axis.</p> |
| first_indexed | 2024-04-09T16:06:34Z |
| format | Article |
| id | doaj.art-9d4364c0857846f7ab2673b07e293a5c |
| institution | Directory Open Access Journal |
| issn | 0935-1221 1617-4011 |
| language | English |
| last_indexed | 2024-04-09T16:06:34Z |
| publishDate | 2023-04-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | European Journal of Mineralogy |
| spelling | doaj.art-9d4364c0857846f7ab2673b07e293a5c2023-04-25T06:28:10ZengCopernicus PublicationsEuropean Journal of Mineralogy0935-12211617-40112023-04-013529530410.5194/ejm-35-295-2023Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, BavariaI. E. Grey0R. Hochleitner1A. R. Kampf2S. Boer3C. M. MacRae4J. D. Cashion5C. Rewitzer6W. G. Mumme7CSIRO Mineral Resources, Private Bag 10, Clayton South, Victoria 3169, AustraliaMineralogical State Collection (SNSB), Theresienstraße 41, 80333 Munich, GermanyMineral Sciences Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USAAustralian Synchrotron, 800 Blackburn Road, Clayton, Victoria 3168, AustraliaCSIRO Mineral Resources, Private Bag 10, Clayton South, Victoria 3169, AustraliaSchool of Physics and Astronomy, Monash University, Victoria 3800, Australiaprivate address: Stadtplatz 17, 93437 Furth im Wald, GermanyCSIRO Mineral Resources, Private Bag 10, Clayton South, Victoria 3169, Australia<p>Manganrockbridgeite, Mn<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M7" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">2</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="12pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="f847710bcb164466748dff710f279cd8"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00005.svg" width="12pt" height="16pt" src="ejm-35-295-2023-ie00005.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M8" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="12pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="9149f9bd858bfe4181c78f6fa2338b56"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00006.svg" width="12pt" height="17pt" src="ejm-35-295-2023-ie00006.png"/></svg:svg></span></span>(PO<span class="inline-formula"><sub>4</sub></span>)<span class="inline-formula"><sub>3</sub></span>(OH)<span class="inline-formula"><sub>4</sub></span>(H<span class="inline-formula"><sub>2</sub></span>O), is a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria. It occurs in association with frondelite, kenngottite, hureaulite and hematite. It forms compact intergrowths and clusters of shiny greenish black blades up to 200 <span class="inline-formula">µ</span>m long and 20 <span class="inline-formula">µ</span>m wide but only a few micrometres thick. The crystals are elongated on [100] and flattened on {001}, with perfect cleavage parallel to {001}. Individual thin blades are green in transmitted light and red under crossed polars. The calculated density is 3.40 g cm<span class="inline-formula"><sup>−3</sup></span>. Manganrockbridgeite is biaxial (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M16" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>+</mo><mo>/</mo><mo>-</mo></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="25pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="9c7c30766d6581c7ab14ef35929c92be"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00007.svg" width="25pt" height="14pt" src="ejm-35-295-2023-ie00007.png"/></svg:svg></span></span>), with <span class="inline-formula"><i>α</i>=</span> 1.795(5), <span class="inline-formula"><i>β</i>=</span> 1.805(calc), <span class="inline-formula"><i>γ</i>=1.815</span>(5) (white light) and 2<span class="inline-formula"><i>V</i></span>(meas.) <span class="inline-formula">=</span> 90(2)<span class="inline-formula"><sup>∘</sup></span>. The empirical formula from electron microprobe analyses, Mössbauer spectroscopy and crystal structure refinement is (Mn<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M23" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">1.07</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="f8d0c890d17a4fe5641fa830c8d9b888"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00008.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00008.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M24" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">0.69</mn><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="6140eeb81283a299aad01dc1aa2300ba"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00009.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00009.png"/></svg:svg></span></span>Fe<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M25" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">0.16</mn><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="18pt" height="17pt" class="svg-formula" dspmath="mathimg" md5hash="4e168c2332dc045dff9c24f64490549b"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00010.svg" width="18pt" height="17pt" src="ejm-35-295-2023-ie00010.png"/></svg:svg></span></span>)<span class="inline-formula"><sub>Σ1.92</sub></span>(Fe<span class="inline-formula"><sup>3+</sup></span>)<span class="inline-formula"><sub>2.88</sub></span>(PO<span class="inline-formula"><sub>4</sub></span>)<span class="inline-formula"><sub>3</sub></span>(OH)<span class="inline-formula"><sub>3.64</sub></span>(H<span class="inline-formula"><sub>2</sub></span>O)<span class="inline-formula"><sub>1.44</sub></span>. Manganrockbridgeite has monoclinic symmetry with space group P2<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M34" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi/><mn mathvariant="normal">1</mn></msub><mo>/</mo><mi>m</mi></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="23pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="25ef404f022c9fc67f6659919cdd7699"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00011.svg" width="23pt" height="14pt" src="ejm-35-295-2023-ie00011.png"/></svg:svg></span></span> and unit-cell parameters <span class="inline-formula"><i>a</i>=5.198</span>(2), <span class="inline-formula"><i>b</i>=16.944</span>(5), <span class="inline-formula"><i>c</i>=7.451</span>(3) Å, <span class="inline-formula"><i>β</i>=110.170</span>(9)<span class="inline-formula"><sup>∘</sup></span>, <span class="inline-formula"><i>V</i>=616.0</span>(4) Å<span class="inline-formula"><sup>3</sup></span> and <span class="inline-formula"><i>Z</i>=2</span>. The crystal structure was refined using both laboratory and synchrotron single-crystal diffraction data. Whereas other rockbridgeite-group minerals have orthorhombic symmetry with a statistical distribution of 50 % Fe<span class="inline-formula"><sup>3+</sup></span> <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M44" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="9e2acdc284f0ee371079cabe514804d7"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-35-295-2023-ie00012.svg" width="8pt" height="14pt" src="ejm-35-295-2023-ie00012.png"/></svg:svg></span></span> 50 % vacancies in <span class="inline-formula"><i>M</i></span>3-site octahedra forming face-shared chains along the 5.2 Å axis, monoclinic manganrockbridgeite has full ordering of Fe<span class="inline-formula"><sup>3+</sup></span> and vacancies in alternate <span class="inline-formula"><i>M</i></span>3 sites along the 5.2 Å axis.</p>https://ejm.copernicus.org/articles/35/295/2023/ejm-35-295-2023.pdf |
| spellingShingle | I. E. Grey R. Hochleitner A. R. Kampf S. Boer C. M. MacRae J. D. Cashion C. Rewitzer W. G. Mumme Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria European Journal of Mineralogy |
| title | Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria |
| title_full | Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria |
| title_fullStr | Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria |
| title_full_unstemmed | Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria |
| title_short | Manganrockbridgeite, Mn<sup>2+</sup><sub>2</sub>Fe<sup>3+</sup><sub>3</sub>(PO<sub>4</sub>)<sub>3</sub>(OH)<sub>4</sub>(H<sub>2</sub>O), a new member of the rockbridgeite group, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria |
| title_sort | manganrockbridgeite mn sup 2 sup sub 2 sub fe sup 3 sup sub 3 sub po sub 4 sub sub 3 sub oh sub 4 sub h sub 2 sub o a new member of the rockbridgeite group from the hagendorf sud pegmatite oberpfalz bavaria |
| url | https://ejm.copernicus.org/articles/35/295/2023/ejm-35-295-2023.pdf |
| work_keys_str_mv | AT iegrey manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT rhochleitner manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT arkampf manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT sboer manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT cmmacrae manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT jdcashion manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT crewitzer manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria AT wgmumme manganrockbridgeitemnsup2supsub2subfesup3supsub3subposub4subsub3subohsub4subhsub2suboanewmemberoftherockbridgeitegroupfromthehagendorfsudpegmatiteoberpfalzbavaria |