MeteoriteLab
Evaluating “Rust Kutter + CLR”
Your friend’s suggestion involves aggressive industrial chemistry. While it removes rust, it poses significant risks to the aesthetic value and long-term structural integrity of an iron meteorite.
Rust Kutter (Phosphoric Acid)
Converts red rust to black iron phosphate. Stops rust but permanently alters the color to a dull grey/black, ruining the natural metallic look.
CLR (Calcium Lime Rust)
A mix of acids (Lactic, Gluconic). Designed for bathrooms, not metallurgy. It is difficult to neutralize completely from porous cracks, leading to future “weeping” rust.
Method Safety Score
*Comparison based on risk of permanent alteration, Lawrencite disease activation, and aesthetic preservation.
The Science of Conservation
Understanding the composition of your specimen is critical before choosing a solvent. Iron meteorites are not pure iron; they are a complex nickel-iron matrix that reacts poorly to chlorides and moisture.
🧪 Typical Iron Meteorite Composition
📊 Method Risk Profile
Recommended Preservation Workflow
Follow this interactive guide to clean your meteorite safely. This method prioritizes “Do No Harm.”
Solvent & Material Reference
Click on a material to understand its role in meteorite conservation.
Isopropyl Alcohol (99%+)
The primary drying agent.
ATF / Gun Oil
The sealant.
Brass/Nylon Brush
Mechanical removal tool.