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As the demand for granite worldwide grows, the issue of granite waste becomes more significant. With increased demand, the volume of generated granite waste also rises, consisting of large pieces, small fragments, dust, and debris. Properly managing this waste is challenging and takes up valuable space in landfills. Additionally, mishandling granite waste can pose hazards. This study focuses on creating a new composite by using micro granite as a filler and basalt fiber as the matrix, employing a fabrication process involving hand layup and a vacuum silicon mould. Analysis testing results reveal improved tensile, flexural, compression, and impact strength as the weight percentage of micro granite increases. The optimal weight percentage is 3wt%, observed consistently across all mechanical tests. Beyond 5wt%, mechanical properties decrease, leading to agglomeration in samples with 5wt% micro granite, as observed in SEM analysis. Substituting glass with basalt results in significant enhancements, including a 264% increase in tensile strength, a 65% boost in flexural strength, a 43% rise in compression strength, and an impressive 272% augmentation in impact strength. Utilizing micro granite in this application not only enhances mechanical properties but also addresses waste reduction in the granite industry, contributing to more sustainable resource usage.