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Member Since 13 Years
Nature of Business Manufacturer Year of Establishment 2011Ask for more detail from the seller
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We are offering Star Galaxy Granite.
Description: a fine to medium-grained, black gabbro of the precambrian period with golden-yellow sparkling broncite scales. This stone internationally may be nominated as a granite however in the area of application of the european standard (en) this stone must be nominated as gabbro.
Gabbro: a dark-coloured, coarse-grained intrusive igneous rock. Gabbro is very similar to basalt in its mineral make up. It is composed mostly of the mineral plagioclase feldspar with smaller amounts of pyroxene and olivine.
technical specification
compressive strength 2777 kg/cm2
comp. strength after gelivity 2696 kg/cm2
ultimate tensile strength 274 kg/cm2
coeff. Thermal expansion 0.0045mm/mcº
water absorption 0.04%
impact test-min fall height 68 cm
specific gravity 2.960 kg/m3
hardness (moh's scale) 6.5
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