stone, kashina gora, granite
Stone Name:
Black - Granite
Origin:Russian Federation
stone, kashina gora, granite
Gabbro is a thick, hard and durable material, has a rich, solid form. Color depth and homogeneous, with little light inclusions. When polishing of gabbro gain respectability. In other forms of treatment, this stone has a dark gray color.
Physical and mechanical characteristics | |
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The average density: | 2960 kg / m 3 |
Water absorption: | 0,01 % |
Compressive strength: | 300 MPa |
Abradability: | 0,32 g / cm 2 |
Mineral composition (%) | |
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Microcline: | 33 |
Plagioclase: | 23 |
Quartz: | 37 |
Biotite: | 6 |
Apatite, zircon, sphene, allanite, garnet: | 1 |