Pyrite and Iron Staining in Natural Stone: Causes and Fixes
Rust spots in stone usually come from iron minerals inside the slab. Learn how pyrite oxidation works, how to tell the source, and what actually removes it.
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Stone Fabrication News & Guides
Expert tips, how-to guides, and industry news for stone fabrication professionals. Learn about granite, marble, quartz countertop fabrication, tool maintenance, and shop management.