Black - Granite
Quarry Location: Vehkajärvi, Kuru, 1980
Water Absorption: 0.084 By weight %
Density: 2990 kg/m3
Flexural Strength: 25.5 MPa
Compressive Strength: 171.5 MPa
Recommended Usage: kitchen and bathroom countertops, monuments, stairs, building stone, ornamental stone, interior, exterior wall and floor applications, mosaic, waterjet pattern
Finishing Surface: Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Additional Names: Kuru Black Star Granite, Kuru Black Granite, Arctic Black,Black Star Granite, Kurun Musta,Arctic Black Granite
Arctic Black is a fine- and medium-grained, non-foliated black diorite with shades of grey. A light seamy pattern interrupts the harmoniously black surface.
Mineralogical composition
Plagioclase:48%
Quartz:5%
Biotite mica:16%
Amphibole (hornblende):23%