Bassalt Volcanic Stone

Bassalt Volcanic Stone    Volcanic stone Bassalt Volcanic Stone is a dark coloured volcanic igneous rock, rich in magnesium and iron mafic acid-silicates and low in silica. Basalts usually have a porphyry texture, with phenocrystals of olivine, augite and plagioclase and a fine crystalline matrix. Finishing POLISHED MATE SANDBLASTING BUJARDED ANCIENT FLAMED Physical and Mechanical …

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