The following tests had been done on one batch of this rock with the following average results:
(a) Specific gravity = 2.58
(b) Aggregate Value = 18%
(c) Impact Value = 16%
(d) Water Absorption = 1.55
These results indicate that this rock can be used for structural concrete and pavement concrete. The specific gravity is slightly lower than other igneous rocks, Granite, Gabbro, Andesite and Basalt which have SG of about 2.79.
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