Kurty Red Granite Blocks, Kurtinskiy Granite - Kurdy Granite Blocks

MINERALOGICAL COMPOSITION (%)
Plagioclase . .. . . . 32
Potash Feldspar . . . .42
Quartz . . . . . . . .25
Biotite, Muscovite, Sericite, etc.. .1
PHYSICAL AND MECHANICAL PROPERTIES
Density . . . 2,64 g/cm3
Water Absorption . . .0,30%
Sponginess . . . . .1,14%
Ultimate Compression Strength . . . .from 1705 to 2715 kg/cm2
Reduction after 50 cycles of freezing . . .from 0,6 to 3%
Abradability . . . . 0,11 g/cm22
Granite is a natural source of radiation, like most natural stones. The radionuclidic composition of granites reefers them to the lowest class of radiation (class I), thus granites can be used for any kind of building construction without limitation.