Serizzo Antigorio Gneiss Blocks

Ortogneiss granitoid with a medium homogeneous grain and dark gray color due to the presence of a considerable quantity of biotite mica; it is the darkest of the serizzo varieties. Very evident foliation. Mineralogical composition: abundant quartz, potassium feldspar in small porfiroclasts, plagioclase (An 25-30%), biotite, poor muscovite, ± epidote (allanite).

Extraction area

1 - Trontano 2 - Premia

Geological location

Antigory Falda (lower Pennidic)

Main uses

civil construction

industrial construction

Street furniture

interior design

funerary art