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| PG
Black
A
black diabase from Varpaisjärvi.
PG Black is a dense, equigranular black diabase. Black stones
are primarily used for gravestones, but are also suitable
as interior stones for tabletops. This black stone of Varpaisjärvi
is particularly rich in colour.
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|
Variation
in colour: Slight
Weather Resistance: Good
Abrasion Resistance: Good
Quarry site: Varpaisjärvi
Quarrying began in 1994
Amount of Quarries: 2
| Mechanical Properties |
|
Density |
3080 kg/m3 |
| Water absorption |
0,14 wt % |
| Compressive strength |
217 Mpa |
| Flexural strength |
26,0 Mpa |
| Hardness |
5,8 Mohs |
| Mineral composition |
| Plagioclase |
53
% |
| Amphibole |
17
% |
| Pyroxene |
26
% |
| Other |
4
% |
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