Varpaisjarvi Black Granite
Finland
(Varpaisjärvi, Syvärinpää )
Varpaisjarvi Black is a dense, fine-grained and equigranular black diabase. It is primarly used for gravestones, but is also suitable as interior stone for tabletops.
Technical properties
EN_13755 Water absorption 0.09 %
EN_1936 Apparent density 3080 kg/m3
EN_12372 Flexural strenght 26.1 Mpa
EN_12371 Frost resistance, change of flexural strenght* -4.2 %
EN_1926 Compressive strenght 311 Mpa
EN_14157 Abrasion resistance 16 mm
EN_13364 Breaking load at dowel hole 4000 N
* after 48 cycles
Mineral content
Values according to new EN-12407 standard.
Plagioclase 42.2 Wt %
Clinopyroxene 35.7 Wt %
Amphibole 12.3 Wt %
Magnetite 3.6 Wt %
Quartz 2.8 Wt %
Accessory minerals 2.0 Wt %
Ilmenite 1.5 Wt %
The request includes: 1. surface finished, size 2. quantity required
