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24
Sep, 2026
Why Luxury Quartzite Slabs Are Replacing Marble in High-End Commercial Interi...
Quartzite is not a harder marble, it is a different mineral: ASTM C616 sets its minimum compressive strength at 138 MPa against 52 MPa for marble under ASTM C503, and it does not react to acid. The problem is that much of what is sold as luxury quartzite slabs