PHYSICAL AND MECHANICAL DATA
The commercial name is Irina Blue
The Labradorite breed
 Osnikovske deposit
 Bulk weight 2790-2900 kg / m3
 Water absorption 0,03-0,11%
Compression strength 131-174 MPa
Wear 0.69-0.74 g / cm2
Natural radiation class 1 Class
* Any type of construction is allowed
