This thesis is about the Semmeringquarzit in its total occurrence in the eastern alps with particular aim on the Semmeringquarzit in Aspang, Lower Austria. Further focus is directed onto the application of the Semmeringquarzit in the concrete- and building industry. Five types of Semmeringquarzit could be distinguished on the basis of macro- and microscopical investigations (mineralogical composition and texture). The investigated Semmeringquarzite contains, apart from quartz, subordinate orthoclase, muscovite and serizite. Accessory mineral phases are tourmaline, garnet, stilpnomelane, zircon, leucoxene, monazite, apatite, baryte, rutile, clay minerals and Fe-hydroxides (limonite and goethite). XRD and EMP investigations showed that all micas are represented by phengites regarding their composition. Occurrence of chlorite, as mentioned in the literature, can be clearly excluded, the same applies to gypsum in the Aspang quarry. The comprehensive geochemical data from the Semmeringquarzite (XRF, XRD and ICP-MS) correlates well with microscopical and microanalytical results. It could be shown, that high concentrations in trace elements such as Ba, Rb, Sr, Zr, B and V are well in accordance with higher concentrations of orthoclase, phengite, as well as accessories (baryte, zircon) in the types of Semmeringquarzit distinguished. Concentrations of rare earth elements show distribution patterns typical for the upper continental crust. The shape and height of the Eu-anomalies correlate well with feldspar concentrations, as well as concentrations in Ba and Rb. Mineral phases such as monazite, apatite and zircon could be identified as the main REE-carrier. Three of the five types of quartzite occur within the Semmeringquarzit of the Aspang quarry. These types of quartzite are in accordance with the requirements according to EN 12620, in respect to their mineralogical and geochemical composition. 15 - 20% of micas, feldspars and fines are separated using wet preparation as the processing technique in Aspang. As a consequence, the significant differences of the three types of quartzite are equalized and a homogenised material is ready for application in the concrete industry.