Covelano Silver. White background crossed with veins in colours ranging from grey to green. It is fine-grained and ideal for any surface finish, both interior and exterior.. The blocks measure approx 3.00x1.50x1.50m. Covelano silver marble is particularly highly-valued.
The physical and mechanical characteristics of the Covelano Silver
| Standard | U.M. | VAL.MED | DEV.ST. | VAL.MED. | DEV.ST. |
| EN 1936-07 Apparent density | Kg/m³ | 2710 | 5,16 | ||
| EN 1936-07 Open porosity | % | 0,4 | 0,05 | ||
| EN 12372-07 Flexural strength under concentrated load (in natural conditions) | MPa | 12,5 | 1,3 | ||
| EN 12371-03 (exposed to 12 frost cycles) (exposed to 48 frost cycles) | MPa MPa | 10,2 11,5 | 1,3 1,3 | ||
| EN 14231-04 Slip resistance: polished finish (Dry) polished finish (Wet) honed finish (Dry) honed finish (Wet) | USVR USVR USVR USVR | 47 6 48 14 | 5 1 104 | ||
| Norma | |||||
| ASTM C97-09 Absorption | % | 0,10 | |||
| ASTM C97-09 Bulk Specific Gravity | Pound/ft³ Kg/m³ | 169.50 2715 | |||
| ASTM C1353 Abrasion | Ha | 10,11 | 0,72 | ||
| ASTM C880-09 Flexural Strength | psi MPa | Dry 2.131,5 Dry 14,70 | 449 3,1 | Wet 1.725,5 Wet 11,90 | 363 2,5 |
| ASTM C99-09 Modulus of Rupture | psi MPa | Dry 1.769,0 Dry 12,20 | 127 0,88 | Wet 1.638,5 Wet 11,30 | 63 0,44 |
| ASTM C170-09 Compressive Strength | psi MPa | Dry 13.191 Dry 91 | 1.991 13,73 | Wet 12.470 Wet 86 | 1.714 11,82 |
