!!!Traß Trass is a name for various kinds of volcanic rock. Since the 1950s Austrian Trass (called Gossendorfite) has been mined in Gossendorf near Gleichenberg (Styria), Gossendorfite is an alunite used for building materials; in 1993 9,102 tonnes of trass were mined Austria. %%language [Back to the Austrian Version|AEIOU/Traß|class='wikipage austrian'] %% [{FreezeArticle author='AEIOU' template='Lexikon_1995_englisch'}] [{ALLOW view All}][{ALLOW comment All}][{ALLOW edit FreezeAdmin}]