Amadeus is a fine- and medium-grained, foliated and variegated garnet-cordierite gneiss whose dominant colours are black and grey containing beautiful dark red and green shades as well.

Amadeus is a unique stone which is ideal for both interior and exterior use. It is particulary suitable for interior decoration, countertops and monuments.

Technical properties
EN_13755 Water absorption 0.09 %
EN_1936 Apparent density 2800 kg/m3
EN_12372 Flexural strenght 18.3 Mpa
EN_12371 Frost resistance, change of flexural strenght* +5.5 %
EN_1926 Compressive strenght 219 Mpa
EN_14157 Abrasion resistance 17 mm
EN_13364 Breaking load at dowel hole 3550 N
* after 48 cycles
Mineral content
Values according to new EN-12407 standard.
K-feldspar 24.9 Wt %
Quartz 21.2 Wt %
Sillimanite 20.0 Wt %
Cordierite 14.2 Wt %
Biotite 10.2 Wt %
Plagioclase 4.2 Wt %
Garnet 3.5 Wt %
Ilmenite 1.7 Wt %
Accessory minerals 0.1 Wt %