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Non-Refereed Publications

Note: Names in italics are students or fellows supervised or co-supervised by me.

Giuliani, G., Branquet, Y., Fallick, A.E., Groat, L.A., and Marshall, D. (2015) Emerald deposits around the world: similarities and differences. InColor, 56-69.

Turner, D., Rivard, B., and Groat, L.A. (2015) Visible to shortwave infrared reflectance spectroscopy of rare earth element minerals. In: Simandl, G.J. and Neetz, M., (Eds.), Symposium on Strategic and Critical Materials Proceedings, November 13-14, 2015, Victoria, British Columbia. British Columbia Ministry of Energy and Mines, British Columbia Geological Survey Paper 2015-3, pp. 219-229.

Groat, L.A. (2013) Gemas. Investigacion y Ciencia, 437, 68-79.

Groat, L.A. and Giuliani, G. (2013) Les pagmatites a gemmes. Geochronique, 128, 26-31.

Giuliani, G., Ohnenstetter, D., Fallick, A.E., Groat, L.A., and Feneyrol, J. (2012) Geographic origin of gems linked to their geological history. InColor, 19, 16-27.

Groat, L.A. and Giuliani, G. (2012) La géologie des gemmes. Pour la Science, 418, 2-10.

Groat, L.A. (2012) Gemstones. American Scientist, 100, 128-137.

Groat, L.A. (2012) Russian alexandrites (book review). Gems & Gemology, 48, 52-53.

Groat, L.A. (2011) Canada and the future of critical minerals. Embassy, Canada's Foregin Policy Newsweekly, Ottawa, January 12, 2011, 16.

Groat, L.A., Turner, D.J., and Rossman, G.R. (2008) Dark blue aquamarine from the True Blue showing, Yukon Territory.  Canadian Gemmologist, 29, 48-53.

Neufeld, H.L.D., Mortensen, J.K., and Groat, L.A. (2005) The Tsa da Glisza (Regal Ridge) emerald occurrence, Finlayson Lake district (NTS 105G/7), Yukon: New results and implications for continued regional exploration. In Yukon Exploration and Geology 2004 (D.S. Emond, L.L. Lewis, and G.D. Bradshaw, eds.). Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada (261-274).

Turner, D.J., Groat, L.A., and Wengzynowski, W. (2005) Mineralogical and geochemical study of the True Blue aquamarine showing, Shark property, southern Yukon. In Yukon Exploration and Geology 2004 (D.S. Emond, L.L. Lewis, and G.D. Bradshaw, eds.). Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada (275-285).

LeCheminant, A.N., Groat, L.A., Dipple, G.M., Mortensen, J.K., Gertzbein, P., Rohtert, W., and Quinn, E.P. (2004) Sapphire from Baffin Island, Canada. Gems and Gemology, 40, 344-345.

Neufeld, H.L.D., Israel, S., Groat, L.A., and Mortensen, J.K. (2004) Geology and structural setting of the Regal Ridge emerald property, Finlayson Lake district, southeastern Yukon. In Yukon Exploration and Geology 2003 (D.S. Emond and L.L. Lewis, eds.). Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada (281-288).

Rohtert, W.R., Quinn, E.P., Groat, L.A., and Rossman, G.R. (2003) Blue beryl discovery in Canada. Gems and Gemology, 40, 327-329.

Groat, L.A., Ercit, T.S., Marshall, D.D., Gault, R.A., Wise, M.A., Wengzynowski, W., and Eaton, W.D. (2000) Canadian emeralds: the Crown showing, southeastern Yukon. Newsletter of the Mineralogical Association of Canada, 63, 1-3.

Groat, L.A., Hawthorne, F.C., Ercit, T.S., and Grice, J.D. (1998) Wiluite, Ca19(Al,Mg,Fe,Ti)13(B,Al,)5Si18O68(O,OH)10, a new mineral species isostructural with vesuvianite, from the Sakha Republic, Russian Federation: Reply. Canadian Mineralogist, 38, 765-768.

Groat, L.A., Morgenroth, W., Meyer, H.-W., and Bismayer, U. (1998) A synchrotron X-radiation study of the crystal structure of graemite, a tellurite mineral with extreme disorder. HASYLAB/DESY Jahresbericht I, 481.

Deyell, C.L., Thompson, J.F.H., Groat, L.A., Mortensen, J.K., and Friedman, R.M. (1998) The style and origin of alteration on the Limonite Creek property, central British Columbia. Geological Fieldwork 1997, Paper 1998-1, 1-7.

Ercit, T.S., Groat, L.A., and Gault, R.A. (1998) A gem tourmaline-bearing aplite-pegmatite complex, O’Grady batholith, western NWT. Department of Indian and Northern Affairs Canada. Northwest Territories Geological Mapping Division, Document EGS 1998-9, 50 pp.

Groat, L.A., Lam, A.E., Grice, J.D., Meyer, H.-W., Morgenroth, W., and Bismayer, U. (1997) The crystal structure of graemite, a tellurite mineral. HASYLAB/DESY Jahresbericht I, 521-522.

Groat, L.A. and Ercit, T.S. (1996) Granitic pegmatites of mixed NYF-LCT affinity from the O’Grady batholith, western Northwest Territories. Department of Indian and Northern Affairs Canada. Northwest Territories Geological Mapping Division, Document EGS 1996-7, 42 pp.

Groat, L.A., Morgenroth, W., and Adiwidjaja, G. (1995) The space group and structure of low-symmetry vesuvianite. HASYLAB/DESY Jahresbericht II, 363.

Groat, L.A., Ercit, T.S., Mortensen, J.K., and Mauthner, M.H.F. (1995) Granitic Pegmatites in the Canadian Cordillera: Yukon and Northwest Territories. Department of Indian and Northern Affairs Canada. Yukon Geoscience Office, Open File 1995-14 (G), 40 pp.

Groat, L.A., Ercit, T.S., Mortensen, J.K., and Mauthner, M.H.F. (1995) Granitic Pegmatites in the Western Northwest Territories. Department of Indian and Northern Affairs Canada. Northwest Territories Geological Mapping Division, Document EGS 1995-?, 23 pp.

Groat, L.A., Ercit, T.S., Raudsepp, M., and Mauthner, M.H.F. (1994) Geology and Mineralogy of the Little Nahanni Pegmatite Group. Department of Indian and Northern Affairs Canada. Northwest Territories Geological Mapping Division, Document EGS 1994-14, 17 pp.

Kek, S., Krane, H.G., Meyer, H., Schmidt, C., Bismayer, U., Groat, L.A., Adiwidjaja, G., and Klaska, K.H. (1994) Refinement of the crystal structure of malayaite (CaSnSiO5). HASYLAB/DESY Jahresbericht II, 455.