Trachite Tindarys is a grey volcanic tuff ( quartzlatitic ignimbite ) of the Quaternary period ( other authorities say Tertiary ), an eruption product of the volcano,
Abrasion resistance according to EN 12371: 21 mm, frost resistant, polishing not possible.
Trachite Tindarys is a igneous volcanic stone. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. Trachytes are common in Europe, in Australia, East Africa, Madagascar and in many other districts.