PHYSICAL AND MECHANICAL DATA
 The commercial name is Silver Gray
 The Labradorite breed
 Kovalyvske deposit
 Bulk weight 2720-2740 kg / m3
 Water absorption 0.02-0.08%
 Compressive strength 180-220 MPa
Wear 0.6-0.7 g / cm2
Natural radiation class 1 Class
 * Any type of construction is allowed