Andreas
Ertl, Dr. rer.
nat. (Sc.D.)

Vienna,
2009
Institut für Mineralogie und Kristallographie
Geozentrum – Universität Wien
Althanstrasse 14
1090 Vienna
Austria
Research Interests:
Mineralogy; crystallography and crystal chemistry;
X-ray diffractometry; crystal chemistry of
tourmaline, boron-rich minerals, manganese oxides/hydroxides, sulfosalts.
Tourmaline (olenite) with tetrahedrally-coordinated boron:


Colorless boron-rich olenite with the formula: Zoned
Fe-bearing B-rich olenite from Koralpe,
(Na0.4 Ca0.3[]0.3) (Al2.4
Li0.4[]0.2) Al6 (BO3)3 Styria, Koralpe (Hughes et al. 2004)
(Si4.9 B0.8 Al0.3 O18)
(OH)3 [O0.6(OH)0.3F0.1]
Eo-alpine
Pegmatite (with bluish-greenish boron-rich olenite)
crosscuts a mylonitic
garnet-bearing micaschist.
Locality: Koralpe,
Most important publications (Last update:
1994
Ertl, A., Libowitzky, E. & Pertlik, F. (1994): Chemische und röntgenographische Untersuchungen an Eskimoit (~Ag7Pb10Bi15S36) und Heyrovskyit (~AgPb10Bi5S18) vom „Rauriser Goldberg“, Hüttwinkeltal, Land Salzburg. Mitt. Österr. Miner. Ges., 139, 135-142, Wien. http://members.a1.net/andreas.ertl/ertl_et_al.(1994).pdf
1995
Ertl, A. (1995): Elbait, Olenit, Dravit-Buergerit-Mischkristalle,
Dravit, Uvit und ein neuer
Al-Turmalin (?) von österreichischen Fundstellen. Mitt. Österr. Miner. Ges., 140, 55-72, Wien.
1997
Ertl,
A., Pertlik, F. & Bernhardt, H.-J. (1997): Investigations on olenite with excess boron from the Koralpe,
1998
Ertl, A. & Brandstätter, F. (1998): Olenit mit Borüberschuß aus einem Metapegmatit östlich der Stoffhütte, Koralpe, Steiermark, Österreich. Mitt. Abt. Miner. Landesmuseum Joanneum, 62/63, 3-21, Graz. http://members.a1.net/andreas.ertl/ertl&brandstätter(1998).pdf
Ertl,
A. & Pertlik, F. (1998): Replacement of silicon
by boron in the tetrahedral positions of phyllosilicate
structures. Scripta Fac. Sci. Nat. Univ. Masaryk. Brun., 26
(1996), 67-68,
1999
Bernhardt, H.-J., Brandstätter, F., Ertl, A., Körner, W., Mikenda, W. & Pertlik, F. (1999): Untersuchungen an einem borhaltigen Muskovit-2M1 von der Koralpe, Steiermark. Ann. Naturhist. Mus. Wien, 100 A (1998), 1-11, Wien. http://www.nhm-wien.ac.at/d/verlag/annalenA.html
http://members.a1.net/andreas.ertl/bernhardt_et_al.(1999).pdf
Ertl, A. (1999): Nachruf auf Hofrat Dr. Peter Beck-Mannagetta. Mitt. Österr. Geol. Ges., 90 (1997), 207-212, Wien. http://www.geol-ges.at/mitt-90.htm http://members.a1.net/andreas.ertl/ertl(1999).pdf
2000
Ertl, A. & Heede, H.-U. (2000): Haben einige Eklogite der Typuslokalität in der Sau- und Koralpe außer der eo-Alpinen Metamorphose auch eine permische und eine variszische Metamorphose erlebt? Mitt. Abt. Miner. Landesmuseum Joanneum, 64/65, 5-22, Graz. http://members.a1.net/andreas.ertl/ertl&heede(2000).pdf
Hughes, J.M., Ertl, A., Dyar, M.D., Grew, E.S., Shearer, C.K., Yates, M.G. & Guidotti, C.V. (2000): Tetrahedrally coordinated boron in a tourmaline: boron-rich
olenite from Stoffhütte,
Ertl, A. (2000): Druckabschätzungen in Metabasiten und Metapeliten mittels des Pyropanteiles in Granaten (engl. transl.: Pressure determination from metabasites and metapelites by using the pyrope component of garnets). 21 pp., Eigenverlag, Wien. http://members.a1.net/andreas.ertl/ertl(2000).pdf
2001
Ertl, A., Hughes, J.M. & Marler, B.
(2001): Empirical formulae for the calculation of <T-O> and X-O2 bond
lengths in tourmaline and relations to tetrahedrally-coordinated
boron. N. Jb. Miner. Mh., 2001(12), 548-557.
Ertl, A., Pertlik, F.
& Bernhardt, H.-J. (2001): Hellblaue Olenit-Schörl-Dravit
Mischkristalle von Ebersdorf, Niederösterreich: Chemismus
und Kristallstruktur. Mitt. Österr. Miner.
Ges.,
146, 75-77.
Kalt, A., Schreyer, W.,
Ludwig, T., Prowatke, S., Bernhardt, H.-J. & Ertl, A. (2001):
Complete solid solution between magnesian schorl and lithian excess-boron olenite in a pegmatite from Koralpe
(eastern
2002
Ertl,
A. & Hughes, J.M. (2002): The crystal structure of an aluminum-rich
schorl overgrown by boron-rich olenite
from Koralpe,
Ertl,
A., Hughes, J.M., Pertlik, F., Foit F.F. Jr., Wright, S.E., Brandstätter, F. & Marler, B. (2002): Polyhedron distortions in tourmaline.
Marler, B. & Ertl, A. (2002): Nuclear magnetic resonance and infrared
spectroscopic study of excess-boron olenite from Koralpe,
Schreyer, W., Hughes, J.M.,
Bernhardt, H.-J., Kalt, A., Prowatke,
S. & Ertl, A. (2002): Reexamination of olenite from the type locality: detection of boron in
tetrahedral coordination. Eur. J. Mineral., 2002, 14,
935-942. http://www.ingenta.com/isis/searching/ExpandTOC/ingenta?issue=pubinfobike://schweiz/ejm/2002/00000014/00000005&index=8
2003
Pertlik, F., Ertl, A., Körner, W., Brandstätter, F. & Schuster, R. (2003): Na-rich dravite in the marbles from Friesach,
Ertl, A., Hughes, J.M., Prowatke, S., Rossman, G.R.,
Prowatke, S., Ertl, A. & Hughes, J.M. (2003): Tetrahedrally-coordinated
Al in Mn-rich, Li- and Fe-bearing olenite
from Eibenstein an der Thaya,
Ertl,
A., Hughes, J.M., Brandstätter, F., Dyar, M.D. & Prasad, P.S.R. (2003): Disordered
Mg-bearing olenite from a granitic
pegmatite from
2004
Hughes, J.M., Ertl, A., Dyar, M.D., Grew,
E.S., Wiedenbeck, M. & Brandstätter,
F. (2004): Structural and chemical response to varying [4]B content
in zoned Fe-bearing olenite from
Ertl, A., Schuster, R., Prowatke, S., Brandstätter, F., Ludwig, T., Bernhardt,
H.-J., Koller, F. & Hughes, J.M. (2004): Mn-rich
tourmaline and fluorapatite
in a Variscan pegmatite from Eibenstein an der Thaya, Bohemian massif, Lower Austria. Eur. J. Mineral., 16, 551-560. http://www.ingenta.com/isis/searching/ExpandTOC/ingenta?issue=infobike://schweiz/ejm/2004/00000016/00000003&index=17
Hughes, J.M., Ertl, A., Bernhardt, H.-J., Rossman,
G.R. & Rakovan, J. (2004): Mn-rich
fluorapatite from
http://www.users.muohio.edu/rakovajf/Mn%20rich%20fluorapatite%20from%20Austria.pdf http://minerals.gps.caltech.edu/Manuscripts/2004/Mn_apatite/Index.htm
Ertl, A., Hughes, J.M. & Wagner, A. (2004): Mn-reicher
Olenit, Mn-reicher Fluorapatit, Topas, Kassiterit
und rosa Muskovit aus einem Pegmatit
bei Eibenstein an der Thaya, NÖ. – MEFOS (Vereinsmitteilungen VOÖM), 28, 6-9, Wien. http://members.a1.net/andreas.ertl/ertl_et_al.(2004).pdf
Marschall, H.R., Ertl, A.,
Hughes, J.M. & McCammon,
C. (2004): Metamorphic Na- and OH-rich disordered dravite
with tetrahedral boron, associated with omphacite,
from
Ertl, A., Pertlik, F., Dyar, M.D., Prowatke, S.,
Hughes, J.M., Ludwig, T. & Bernhardt, H.-J. (2004): Fe-rich olenite with tetrahedrally
coordinated Fe3+ from Eibenstein, Austria:
Structural, chemical, and Mössbauer data.
2005
Ertl, A., Rossman, G.R., Hughes, J.M., Prowatke, S. & Ludwig, T.
(2005): Mn-bearing “oxy-rossmanite”
with tetrahedrally-coordinated Al and B from
http://ammin.geoscienceworld.org/cgi/content/full/90/2-3/481#GILLER-2003
http://131.215.067.048/rossmanite/Austria_Eibenstein/Austria-index.htm
Fuchs,
Y., Ertl, A., Hughes, J.M., Prowatke, S., Brandstätter, F. & Schuster, R. (2005): Dumortierite from the Gföhl unit,
http://caliban.ingentaselect.com/vl=1959822/cl=123/nw=1/rpsv/cw/schweiz/09351221/v17n1/s17/p173
Pictures of dumortierite
from the Gföhl unit: http://www.mindat.org/photo-145317.html http://www.mindat.org/photo-145048.html
Ertl, A., Pertlik, F., Prem, M., Post,
J.E., Kim, S.J., Brandstätter, F. & Schuster, R.
(2005): Ranciéite crystals from Friesach,
Pictures of ranciéite
crystals: http://www.mindat.org/photo-145043.html
2006
Ertl, A. & Wagner, A. (2006): Topas, Beryll und Ferrotantalit aus einem Pegmatit bei Heidenreichstein, Niederösterreich. Eigenverlag, Wien.
http://members.a1.net/andreas.ertl/ertl&wagner(2006).pdf
Cempírek, J., Novák, M.,
Ertl, A., Hughes, J.M., Rossman, G.R. & Dyar, M.D. (2006): Fe-bearing olenite
with tetrahedrally coordinated Al from an abyssal
pegmatite of the Bohemian massif at Kutná Hora: Structure, crystal chemistry, and optical spectra.
http://pubs.nrc-cnrc.gc.ca/mineral/tcm-02344-1.html
Ertl, A. (2006): Über die Etymologie und die Typlokalitäten des Minerals Schörl. Mitt. Österr. Miner. Ges., 152, 7-16.
http://www.uibk.ac.at/mineralogie/oemg/bd_152/152_07-16.pdf
Ertl, A., Hughes, J.M., Prowatke, S., Ludwig, T., Prasad, P.S.R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. & Marschall, H. (2006): Tetrahedrally-coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral., 91, 1847-1856. http://www.minsocam.org/msa/ammin/toc/Abstracts/2006_Abstracts/ND06_Abstracts/Ertl_p1847_06.pdf
Ertl,
A., Kolitsch, U., Prowatke,
S., Dyar, M.D. & Henry, D.J. (2006): The
F-analogue of schorl from Grasstein,
Trentino – South Tyrol, Italy: crystal structure and
chemistry. Eur. J. Mineral., 18, 583-588. http://www.ingentaconnect.com/content/schweiz/ejm/2006/00000018/00000005/art00006
Ertl,
A., Rossman, G.R., Hughes, J.M., Wang, Y., O’Leary,
J., Dyar, M.D., Prowatke,
S. & Ludwig, T. (2006): Elbaite
from the
2007
Ertl, A. (2007): Über die Typlokalität und die Nomenklatur des Minerals Dravit (About the type locality and the nomenclature of dravite). Mitt. Österr. Miner. Ges., 153, 265-271. http://www.uibk.ac.at/mineralogie/oemg/bd_153/153_265-271x.pdf
Ertl, A. & Prem, M. (2007): Late-stage hydrothermal alteration products occurring in the Stewart Mine, San Diego Co., California, U.S.A. Mitt. Österr. Miner. Ges., 153, 273-274. http://www.uibk.ac.at/mineralogie/oemg/bd_153/153_273-274x.pdf
Ertl,
A., Hughes, J.M., Prowatke, S., Ludwig, T., Brandstätter, F., Körner, W.
& Dyar, M.D. (2007): Tetrahedrally-coordinated
boron in Li-bearing olenite from “mushroom”
tourmaline from Momeik, Myanmar.
Ertl,
A. & Rossmann, G.R. (2007): Preliminary study of
higher-temperature treatment of canary tourmaline. Gems &
Gemol., 44, 322.
2008
Ertl,
A., Rossman, G.R., Hughes, J.M., Ma, C. & Brandstätter, F. (2008): V3+-bearing, Mg-rich, strongly disordered olenite
from a graphite deposit near Amstall,
Ertl, A. (2008): About the nomenclature and the type locality of elbaite: A historical review. Mitt. Österr. Miner. Ges., 154, 35-44. http://www.uibk.ac.at/mineralogie/oemg/bd_154/154_035-044.pdf
Ertl, A., Brandstätter, F. & Prem, M. (2008): Moldanubische Korundvorkommen mit Rubin und Saphir bei Drosendorf, Waldviertel, Niederösterreich. Mitt. Österr. Miner. Ges., 154, 45-51. http://www.uibk.ac.at/mineralogie/oemg/bd_154/154_045-051.pdf
Ertl, A. & Hamilton, M. (2008): Der Magnesit vom Eichberg bei Gloggnitz (Niederösterreich) und dessen Begleitminerale: Eine Mineralogische Studie. Mitt. Österr. Miner. Ges., 154, 53-57. http://www.uibk.ac.at/mineralogie/oemg/bd_154/154_053-057.pdf
Ertl, A. (2008): Die Turmaline des Waldviertels.
In: Steininger, F.F. (Ed.): Waldviertel –
Kristallviertel. Die steinerne Schatzkammer Österreichs – Gesteine und
Mineralien des Waldviertels. Waldviertler Heimatbund,
47, 103-105, Horn – Waidhofen/Thaya. http://www.daswaldviertel.at/schriftenreihe.htm#kristall
Ertl,
A., Dyar, M.D., Hughes, J.M., Brandstätter,
F.,
Ertl,
A., Tillmanns, E., Ntaflos,
T., Francis, C., Giester, G., Körner,
W., Hughes, J.M., Lengauer, C. & Prem, M. (2008): Tetrahedrally coordinated boron in Al-rich tourmaline and
its relationship to the pressure–temperature conditions of formation. Eur. J. Mineral., 20, 881-888. http://eurjmin.geoscienceworld.org/cgi/content/abstract/20/5/881
2009
Ertl,
A., Kolitsch, U., Meyer, H.-P., Ludwig, T., Lengauer, C.L., Nasdala, L. &
Tillmanns, E. (2009): Substitution mechanism in
tourmalines of the “fluor-elbaite”-rossmanite series
from Wolkenburg,
Natkaniec-Nowak, L., Dumańska-Słowik,
M. & Ertl, A. (2009): “Watermelon”
tourmaline from the Paprok mine (
Ertl,
A.,
2010
Ertl,
A., Marschall, H.R., Giester,
G., Henry, D.J., Schertl, H.-P., Ntaflos,
T., Luvizotto, G.L., Nasdala,
L. & Tillmanns, E. (2010): Metamorphic ultra high-pressure
tourmalines: Structure, chemistry, and correlations to PT conditions. Am.
Mineral., 95, 1-10. http://ammin.geoscienceworld.org/cgi/content/abstract/95/1/1
(currently no. 21 of the most read articles
in Am. Mineral.: http://ammin.geoscienceworld.org/reports/mfr_all_5.dtl
)
Ertl,
A., Rossman, G.R., Hughes, J.M., London, D., Wang,
Y., O’Leary, J.A., Dyar, M.D., Prowatke,
S., Ludwig, T. & Tillmanns, E. (2010): Tourmaline
of the elbaite-schorl series from the Himalaya Mine,
Mesa Grande, California, U.S.A.: A detailed investigation. Am. Mineral., 95, 24-40. http://ammin.geoscienceworld.org/cgi/content/abstract/95/1/24
(currently no. 15 of the most read
articles in Am. Mineral.: http://ammin.geoscienceworld.org/reports/mfr_all_3.dtl
)
Ertl,
A.,
Hughes,
J.M., Ertl, A., Bernhardt, H.-J., Rakovan, J. & Rossman, G.R. (2010): Vanadium-rich
muscovite from
Ertl,
A., Draganits, E., Grasemann,
B., Ntaflos, T., Giester,
G. & Tillmanns, E. (2010): Synkinematic tourmaline growth on brittle-ductile
normal faults (
Ertl, A., Kolitsch, U., Dyar,
M.D., Hughes, J.M., Rossman, G.R., Pieczka, A., Henry, D.J., Pezzotta,
F., Prowatke, S., Lengauer,
C.L., Körner, W., Brandstätter,
F., Francis, C.A., Prem, M. & Tillmanns,
E. (2010): Investigations
of Fe2+ and Mn2+-rich tourmaline. Am. Mineral., (in prep.).
Ertl,
A., Schuster, R., Hughes, J.M., Ludwig, T., Meyer, H.-P., Finger, F., Dyar, M.D., Ruschel, K., Rossman, G.R., Brandstätter, F., Lengauer, C.L., Tillmanns, E. (2010):
Li-bearing tourmalines in Variscan pegmatites from the Moldanubicum,
If you are interested in reprints (pdf-files) of these papers, feel free to send me an
email:
a n d r e a s . e r t l (*) a 1 . n e t
[Note: (*) = @, email address without
spaces].
If you want to know more about tourmaline, if you have special
questions, or if you think you have unusual tourmaline samples, please send me
an email!
ADDITIONAL DATA
Structural
and chemical data of Cu-bearing elbaite from
Lectures and
Posterpresentations
1987, 31. Aug. Lecture (in English) at the
At the
1998, 13. Nov. Lecture
(in German) at the
1999, 22. Sept. Lecture
(in English) at the Université
Pierre et Marie Curie,
2000, 28. Sept. Lecture (in German) and posterpresentation
at the
2001, 27. May Lecture
(in German) at the University of Vienna, Vienna, Austria, Geozentrum,
Room 2A122, about „Pegmatite in der Koralpe – Vierkoordiniertes
Bor im Turmalin” (Pegmatites from the Koralpe
– four-coordinated boron in tourmaline).
2001, 25. Sept. Posterpresentation at the
2002, 25. Mar. Posterpresentation at the Eidgenössische Technische Hochschule (ETH), Zürich, Schweiz, for the Ninth International Symposium on Experimental
Mineralogy, Petrology and Geochemistry – EMPG IX about “Tetrahedral boron in olenite from the type
locality” (Schreyer,
Ertl, Hughes, Bernhardt, Kalt & Prowatke) and co-author of the poster “Structural and chemical response to varying [4]B content in olenite from the Koralpe” (Hughes,
Ertl, Dyar, Grew & Brandstätter).
http://www.the-conference.com/JConfAbs/7/pdfs/92.pdf
2002, 13. Nov. Lecture (in English) at the
2003, 20.-23. June Posterpresentation at the International Symposium on Light Elements
in Rock-forming
Minerals – LERM 2003 in Nové Město na Moravě,
Moravia, Czech Republic, about “Tetrahedrally-coordinated boron in liddicoatite from Madagascar”
(Ertl & Hughes) and co-author of the poster “Mn-rich tourmaline from the Moldanubicum in Austria: Structure and chemistry” (Hughes, Ertl, Prowatke
& Rossman).
2003, 20. Nov. Lecture
(in English) at the Comenius University, Bratislava,
Slovakia, Mlynská dolina,
Faculty of Natural Sciences, Room B1-501, about “Tourmaline – unusual compositions and interesting structural details”.
2004, 30. Mar. Lecture (in English)
at the
2004, 5. April Lecture (in English) at the University
of Massachusetts, South Hadley, Massachusetts, U.S.A., Morrell Science
Building (10:10 am), about “Tourmaline –
News from the tourmaline group”.
2004, 12. April Lecture (in
English) at the
2004, 14. April Lecture (in English) at the Smithsonian
Institution, National
Museum of Natural History, Washington, D.C., U.S.A., Fourth Floor East Wing, Mineral
Sciences Seminar Room, E410 (10:00 am), about “Tourmaline – News from the tourmaline group”.
2004, 20. April Lecture (in English) at the Louisiana State University, Baton Rouge, Louisiana,
U.S.A., Howe-Russell
Geoscience Complex, E208 (3:30 pm), about “Tourmaline – News from the
tourmaline group”.
2004, 23. April Lecture (in
English) at the
2004, 30. April Lecture
(in English) at the Pasadena City College, Pasadena, California, U.S.A., 1570 E. Colorado Blvd., Geology Department, Building E,
Room 220 (7:30 pm), for the Mineralogical Society of Southern California, about
“Tourmaline – News from the tourmaline
group”. http://www.mineralsocal.org/bulletin/2004/2004_apr.htm
2005, 3. June Lecture (in German) at the
2006, 5. May Lecture (in German) at the
2006, 26. Aug. Lecture (in English) at the Manchester Grand Hyatt San Diego Hotel, San
Diego, California, U.S.A., Randle Ballroom A/B (11:50 am), for the Gemological Research Conference (GRC) (hosted by GIA) about
“Elbaite from the Himalaya Mine, Mesa
Grande, California” (General Gemology).
http://lgdl.gia.edu/pdfs/grcprogram.pdf
2006, 1. Dec. Lecture
(in German) at the
2007, 31. May Lecture (in German) at the
2007, 23. Aug. Lecture (in English) at the
2007, 18. Sept. Posterpresentation at the Hotel
Steigenberger Therme Meran, Meran,
South Tyrol, Italy,
for the MinPet2007 (16th
– 21st Sept. 2007), about “Wechselwirkung
zwischen dem Al-Gehalt der Y-Position und dem B-Gehalt der T-Position in
Turmalinen: Ein Beitrag zur Kristallchemie“ (Ertl & Pertlik).
2007, 24. Sept. Lecture (in English) at the McGill University, Montréal, Québec, Canada,
Earth & Planetary Sciences, Frank Dawson Adams Building, Room 232
(3:15 pm), about “The wide range of
tourmaline chemical composition and what it tells us about the environment of
crystallization”. http://www.eps.mcgill.ca/seminars.html
2007, 25. Sept. Lecture (in English) at the University of Vermont, Burlington, Vermont,
U.S.A., Department of Geology, Delehanty
Hall, Room 219 (12:15 pm), about “The
wide range of tourmaline chemical composition and what it tells us about the
environment of crystallization”. http://www.uvm.edu/~geology/?Page=community/seminars.html&SM=community_menu.html
2007, 28. Sept.
Lecture (in English) at the University of Maine, Orono,
Maine, U.S.A., Department of Earth Sciences, Edward Bryand
Global Sciences Center, Room 100 (3:00 pm), about “The wide range of tourmaline chemical
composition and what it tells us about the environment of crystallization”.
2007, 1. Oct. Lecture (in English) at the Smithsonian Institution, National Museum of Natural History, Washington, D.C., U.S.A., Department of Mineral Sciences, Fourth Floor East Wing, Conference Room (10:15 am), about “Tourmaline minerals”. http://mineralsciences.si.edu/seminar.htm
2008, 21. April Lecture (in German) at the University of Heidelberg, Heidelberg, Germany, Mineralogisches Institut, INF 235, Großer Hörsaal (5:15 pm), about "Turmaline unterschiedlicher Lithologien: Neuigkeiten über die Turmalingruppe und interessante Korrelationen” (Geowissenschaftliches Kolloquium). http://www.geopal.uni-hd.de/Promotion/Geokolloq.html
2008, 23. April Lecture (in German) at the Ruhr-University Bochum, Bochum, Germany, Institut für Mineralogie, Gebäude NA, Hörsaal 3/99 (12:15
am),
about "Turmaline unterschiedlicher Lithologien: Neuigkeiten über die Turmalingruppe und
interessante Korrelationen” (Geowissenschaftliches
Kolloquium - GMG Kolloquium). http://www.ruhr-uni-bochum.de/gmg/veranstaltungen.htm
2008, 24. Oct. Lecture (in German) at the
2009, 15. Jan. Lecture (in German) at the University Karlsruhe
(TH), Karlsruhe, Germany, Building 50.41,
Room 145/146 (5:30 pm), about "Turmaline - eine bedeutende Mineralgruppe” (Tourmaline – an important mineral group).
http://www.agk.uni-karlsruhe.de/english/1454.php?PHPSESSID=cb2047ce3e61a1fc9df3baba643e184d
with Thomas Neumann
2009, 5. May Lecture (in German) at the
2009, 10. Sept. Lecture (in English) at the Eötvös Loránd University, Budapest, Hungary, Riverside
Campus, Building C, Room 0-823 (11:30 am), for the MinPet2009 & 4th
Mineral Sciences in the Carpathians Joint Conference (7th – 11th
Sept. 2009) about “The schorl-elbaite solid solution and useful correlations”
(Ertl & Tillmanns).
2009, 14. Sept. Poster at the Martin-Luther-University Halle-Wittenberg, Halle an der Saale, Germany, Melanchthonianum (4:30 pm), for the DMG 2009 (13th
– 16th Sept. 2009) about “„Fluor-Schörl”
vom Erzgebirge, dem Gebiet der
Typlokalität für Schörl” (“Fluor-schorl” from Erzgebirge, the area of the type locality for schorl) (Ertl, Tillmanns
& Kolitsch).
2009, 26. Sept. Lecture (in English) at Święty Krzyż, Holy
2009, 28. Sept. Lecture (in English) at the AGH University of Science and Technology, Kraków,
Poland, Hall
28, Pavilion A-0, Room 29 (2:00 pm), about “Metamorphic tourmalines and their
significance”.
2009, 9. Oct. Lecture (in
German) at the University of Vienna,
Vienna, Austria,
Geozentrum, Room 2A120 (11:15 am), about "Ekkehart Tillmanns – sein wissenschaftliches Wirken für die
Kristallographie: Ein Rückblick”.
with Lutz Nasdala
2009, 9. Dec. Lecture
(in German) at the University of Vienna, Vienna, Austria, Geozentrum,
Room 2A122 (HS II) (5:00 pm), about “Vulkane in Kenya und Tansania, Ostafrika” (Vulcanos in Kenya and
Tanzania, East Africa).

Lecture on
metamorphic tourmaline in



with Ekkehart Tillmanns with
Ekkehart Tillmanns and Konstantin Petrakakis
Germany Tour 2008

Andreas Ertl with RAINER ALTHERR, RONALD MILETICH,
HORST MARSCHALL, THOMAS LUDWIG, HANS-PETER MAYER,
WALTER MARESCH, HEINZ-JÜRGEN BERNHARDT, BERND MARLER, KLAUS-DIETER GREVEL, HANS-JOACHIM MASSONNE & THOMAS REINECKE.
U.S.A. & Canada Tour 2007

Andreas
Ertl with John M. Hughes, DENNIS MAHONEY, SYLVIA PARKER, ROBERT F. MARTIN,
EDWARD S. GREW,
Martin G.
Yates, Félice
Naus-Thijssen, Eva R. Wadoski-McClelland, Jeffrey E. Post, Michael
A. Wise, &
Eloise Gaillou.
Gemological Research Conference in

with Elena V. Sokolova, Frank C. Hawthorne,
George E. Harlow & George R. Rossman with Matthew C. Taylor, Anthony R. Kampf & Jeffrey E. Post
with Brendan M. Laurs,
Federico Pezzotta & Björn
Anckar with Frank C. Hawthorne


Andreas Ertl talks about
tourmaline from the Himalaya Mine
George R. Rossmann’s visit in

at the Institut für Mineralogie und Kristallographie, Wien at the
Naturhistorisches Museum, Wien
U.S.A. Tour 2004

ANDREAS
ERTL visiting John M. Hughes, John Rakovan, M. Darby Dyar, Carl A. Francis,
George E. Harlow, Jeffrey E. Post, Darrell Henry & Barbara Dutrow, David
London, George R. Rossman, Brendan M. Laurs,
Bill
Larson, Anthony R. Kampf, and the Mineralogical
Society of
More Webpages About
Minerals/Tourmaline:
http://www.geol.lsu.edu/henry/
http://www.gps.caltech.edu/faculty/rossman/rossman.html
http://minerals.gps.caltech.edu/
http://131.215.067.048/rossmanite/
http://www.minsocam.org/MSA/Special/Pig/
http://minerals.gps.caltech.edu/Manuscripts/2003/Austrian_Mn_olenite/Index.htm
http://pegmatopia.ou.edu/Personnel/D%20London%20Vita.pdf
http://www.geo.arizona.edu/AMS/amcsd.php
http://www.mindat.org/index.php
American Mineralogist:
http://ammin.geoscienceworld.org/
Canadian Mineralogist:
http://canmin.geoscienceworld.org/
European Journal of
Mineralogy: http://eurjmin.geoscienceworld.org/