Home of The Stone Detective
The Quartz Countertop Looked Fine Until the Sun Hit It
Streaks, dull spots, and fingerprints often show up in afternoon sun. Learn how to separate what the light reveals from what actually caused it.
Bubbling Epoxy Terrazzo Floors: What’s the Real Cause?
Most bubbling in epoxy terrazzo floors isn't hydrostatic pressure — it's osmotic pressure from soluble salts and capillary moisture movement.
Who Uses the Most Marble in the World?
Floors and countertops aren't where most marble ends up. From paper to pharmaceuticals to baseball fields, discover the surprising life of crushed marble.
Why Some Terrazzo Stains Won’t Come Out
Terrazzo floors are porous, and decades of buried stains can penetrate too deep to fully remove. Here's why some discoloration is permanent.
Cristallo Yellowing: Can It Be Fixed?
Why does Cristallo quartzite turn yellow, and can it be fixed? Frederick Hueston explains the real causes and what can be done.
Defeating the Halo Effect in Stone Repair
Why perfect stone repairs still show as halos - and how feathering, texture matching, and lighting checks make them disappear for good.
Lava Stone: Restoration and Care
Lava stone looks nothing like granite up close — and it shouldn't be treated like it. A guide to identifying, cleaning, and restoring it correctly.
Rust Removers: Why They Work and When They Don’t
Understand how oxalic acid, ammonium thioglycolate, and other rust removers work so you pick the right one and protect your stone.
Why Coatings On Stone Floors Are A Mistake
Topical coatings trap moisture, scratch, yellow, and hide stone's natural beauty. Here's why they're a bad idea.