• Study of crystallography at the University of Leipzig 1984-1989
• 1989 Diploma thesis "Characterisation of glazes and frits under consideration of their interaction"
• 1989-1991 Research assistant at the Institute of Crystallography, University of Leipzig
• 1992-1995 Research assistant at the Institute of Mineralogy, TU Clausthal
• 1996 Doctorate "Crystallographic investigations of the one-sided roughening of the centrosymmetric potassium dichromate. A contribution to the clarification of the Schubnikow problem" at Clausthal University of Technology
• 1996 Research assistant (postdoc) at the Institute of Metallurgy, Clausthal University of Technology
• 1996-2005 Research assistant (C1), Chair of Glass and Glass Technology at the Institute of Non-Metallic Materials, TU Clausthal
• 2002 Habilitation and venia legendi in engineering sciences at TU Clausthal "On the systematics of non-crystalline materials"
• since 2005 University Professor of General and Applied Mineralogy, TU Bergakademie Freiberg
• Since 2006 Director of the Geosciences Collections at TU Bergakademie Freiberg
• 2005-2008 Conception and development of the "terra mineralia" exhibition at Freudenstein Castle
• 2006 Founding member of the Freiberg High Pressure Research Centre (FHP) with the shock wave laboratory
• 2009-2012 Conception and development of the exhibition "Mineralogical Collection Germany" in the Krügerhaus
• Since 2007 Member of the Faculty Council
• Since 2012 Member of the Advisory Board of the Bavarian State Natural Science Collections
• Since 2013 Member of the Senate
• 2004 Adolf-Dietzel-Industriepreis der Deutschen Glastechnischen Gesellschaft
• 2006 Innovation Award of the Braunschweig Chamber of Industry and Commerce
• 2008 University Medal of the TU Bergakademie Freiberg
• 2011 Honorary Citizen of the University of Concepción, Chile

I am married and have three children.

• K. Heide and G. Heide. Vitreous state in nature - Origin and properties. Chemistry of the Earth, 71:305-335, 2011.
• H. Behrens, Y. Zhang, M. Leschik, M. Wiedenbeck, G. Heide, and G. H. Frischat. Molecular H2O as carrier for oxygen isotope diffusion in hydrous silicate melts. Earth Planet. Sci. Lett. 254:69-76, 2007.
• G. Heide, B. Müller, G. Klöß, D. Moseler, and G. H. Frischat. Structural classification of natural noncrystalline silicates. J. Non-Cryst. Solids, 323:68-71, 2003.
• J.-F. Poggemann, G. Heide, and G. H. Frischat. Direct view of the structure of different glass fracture surfaces by atomic force microscopy. J. Non-Cryst. Solids, 326 & 327:15-20, 2003.
• G. Heide and H. Follner. The nature of one-sided intergrowths on (00-1) of triclinic centrosymmetric K2Cr2O7. Cryst. Res. Techn., 31:171-177, 1996.