Royal
Royal is a light larvikite, featuring a cool grey background adorned with large ice-blue crystals. With its striking appearance, this stone is versatile and often used for facades on buildings worldwide. It is also a popular choice for countertops and tiles – both indoors and outdoors.
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Technical properties
|
Value |
Unit
|
Standard
|
|
Compressive strength
|
Average: 264,2
|
Mpa
|
EN 1926
|
|
Flexural strength
|
Average: 14,6
|
Mpa
|
EN 12372
|
| Abrasion resistance |
Average: 17,5
|
mm
|
EN 14157
|
|
Slip resistance, honed surface (dry)
|
Average: 66
|
SRV
|
EN 14231 |
|
Slip resistance, honed surface (wet)
|
Average: 11 |
SRV
|
EN 14231
|
|
Apparent density
|
Average: 2711
|
kg/m3
|
EN 1936
|
|
Open porosity
|
Average: 0,1 | % |
EN 1936
|
|
Water absorption
|
Average: 0,03 | weight % |
EN 13755
|
|
Rupture energy
|
Average: 4,2
|
J
|
EN 14158
|
|
Breaking load at dowel holes
|
Average: 4022 | N |
EN 13364
|
| Petrographic composition * | Standard EN 12407 | Value | |
| Potassium feldspar | 81,5 % | ||
| Pyroxene | 4 % | ||
| Nepheline | 3 % | ||
| Amphibole | 2 % | ||
| Opaque minerals | 3 % | ||
| Biotite | 2,5 % | ||
| Olivine | 2 % | ||
| Apatite | 1,5 % |
* Only main minerals are listed
Tested by SINTEF (2019)
