Korpi Black

A black gabbro from Muurame.

Korpi Black is a medium-grained, non-foliated gabbro with an even black colouring. Suitable for all interior and outdoor uses.

Variation in colour: Slight
Weather Resistance: Good
Abrasion Resistance: Good

Quarry site: Muurame
Quarrying began in 1995
Amount of Quarries: 1

Mechanical Properties
Density	2827 kg/m3
Water absorption	0,08 wt %
Compressive strength	231 MPa
Flexural strength	13,52 MPa
Hardness	6,1 Mohs

Mineral composition
Plagioclase	65,2 %
Quartz	10,3 %
Biotite	12,8 %
Pyroxene	8,3 %
Other	3,4 %