purbeck stone
Stone Name:Purbeck Cap Limestone
Grey - Limestone
Origin:United Kingdom
purbeck stone
Definition/Type | Jurassic Limestone |
Colour/Texture | Predominantly beige-grey matrix incorporating interesting flint markings and bluish patches |
Application |
Takes a high polish. Relatively hard and non-absorbent. Kitchen worktops, vanity tops, cladding, steps and paving. |
References |
Portsmouth Cathedral (exterior paving) |
"http://www.bre.co.uk/" target="_blank">B.R.E Data | |
Compressive Strength | 207.54 Mpa |
Flexural Strength | 23.15 Mpa |
Porosity (BRE 141) | 3.77 % by volume |
Porosity (CEN) | 4.13 % by volume |
Saturation Coefficient | 0.919 |
Water Absorption | 1.336 % by weight |
Water Absorption (CEN) | 1.451 % by weight |
Bulk Specific Gravity | 2589.7 kilograms per cubic metre |
Apparent Density (CEN) | 2586.6 kilograms per cubic metre |
Crystallisation | -0.3 % wt loss |