This dense, deep green stone with rounded grains is quarried in Yl?maa and is well suited for interior decoration, gravestones and small to mid-sized building projects. The stone maintains its spectacular colour, even in outdoor conditions. Amount of extraction: approx. 250 m3 / month.
Technical properties
EN_13755 Water absorption 0.13 %
EN_1936 Apparent density 2680 kg/m3
EN_12372 Flexural strenght 8.8 Mpa
EN_12371 Frost resistance, change of flexural strenght* -3.4 %
EN_1926 Compressive strenght 183 Mpa
EN_14157 Abrasion resistance 18 mm
EN_13364 Breaking load at dowel hole 1950 N
* after 48 cycles
Mineral content
Values according to new EN-12407 standard.
K-feldspar 29.1 Wt %
Plagioclase 27.0 Wt %
Quartz 26.3 Wt %
Amphibole 13.3 Wt %
Biotite 2.3 Wt %
Accessory minerals 1.9 Wt %