BBV IMPEX — NATURAL STONE EXPORT BLOG

Marble, Granite & Stone Export Insights

Articles for stone importers, distributors, and project buyers — written from 20 years of hands-on experience in India’s natural stone industry.

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Large block of black granite stone

Shade Variation Control in Black Granite Blocks

Shade control must begin at extraction. Blocks should be classified immediately after wire-saw cutting, before dispatch to the processing yard.
Fantasy brown marble slabs with unique patterns

Why Some Fantasy Brown Marble Slabs Bend or Warp After Cutting

Fantasy Brown is often commercially classified as marble, but geologically it sits between marble and quartzite in many quarries.
Measuring polish retention on granite slabs.

How to Measure Polish Retention Before Shipment

In export-grade granite, marble, and quartzite, polish retention must be verified through measurable data, controlled handling simulation, and surface performance checks under realistic site conditions.
Measuring granite slab thickness in factory

Acceptable Thickness Variation in Bulk Granite Orders

Granite is processed from natural blocks extracted at quarry level. While modern gangsaws, multi-wire machines, and calibrating lines significantly control dimensional accuracy, variation cannot be eliminated entirely.
Worker inspecting granite slab flatness.

Flatness Tolerance Standards in Export-Grade Granite Slabs

Flatness is not a visual attribute. It is a measurable structural condition that must fall within defined tolerances over the entire slab surface.
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