Silver Green is a patterned quartzite gneiss with a silver shimmer, quarried from Varpaisjärvi in Finland. It is very suitable for monuments and can be used decoratively indoors or outdoors.
Quarried from: Varpaisjärvi, Finland
Age of stone: 2.6 billion years
Technical specifications (2023):
EN 1936 Density 2720 kg/m3
EN 13755 Water absorption 0,1 %
EN1926 Compressive strength 198 MPa, lower expected value 180 MPa
EN12371 Compressive strength, frost resistance 195 MPa
EN12372 Flexural strength 21,4 MPa, lower expected value 18,5 MPa
EN 12371 Compressive strength, frost resistance 21,7 MPa
EN 14157 Abrasion resistance 13,0 mm
EN 13364 Breaking load at dowel hole 3350 N, lower expected value 2532 N
EN 14231 Slip resistance/dry condition 78, wet condition 56
Hardness: 5.7 Mohs
Mineral composition:
Quartz: 65.2%
Muscovite: 10.1%
Chlorite: 17.2%
Epidote: 7.0%
Biotite: 0.5%
How to find the quarry:
Address: Rautavaarantie 1810, 73250 Korpijärvi.
Drive 18 km from Varpaisjärvi to the Rautavaara direction, turn left from the top of the hill. The quarry can be seen on the left side after driving 1 km.