Identify approximate Mohs hardness from scratch test results against reference minerals. Free mineral hardness identifier tool for mineral, hardness, and more.
A quick decision brief for this specific tool
Scratches Gypsum (H=2)?, Scratches Calcite (H=3)?, Scratches Quartz (H=7)?
Mineral Hardness Identifier
1 documented formula across 1 calculation mode
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This page shows the available inputs, calculation steps, and recorded method or source notes for Mineral Hardness Identifier. Source coverage varies by tool; independently confirm consequential results.
This page shows the available inputs, calculation steps, and recorded method or source notes for Mineral Hardness Identifier. Source coverage varies by tool; independently confirm consequential results.
This page shows the available inputs, calculation steps, and recorded method or source notes for Mineral Hardness Identifier. Source coverage varies by tool; independently confirm consequential results.
Updated: July 2026
Quickly convert measurements or calculate key metrics for laboratory data, coursework, homework, and scientific documentation.
Translate technical requirements between international standards and regional unit systems for field engineering project specs.
Verify technical data sheets, equipment specifications, and safety audit reports against standard unit guidelines.
When a formula combines multiple measurements, all inputs must use compatible units. Convert everything to the same system (metric or imperial) before calculating.
This calculator uses the formula shown. Real-world results may vary due to factors not captured by the model. Use the result as an estimate and verify with domain-specific standards.
The Mineral Hardness Identifier provides precise, instant unit conversions and calculations for professional, educational, and field applications. Designed for accurate results based on standardized physical and mathematical formulas.