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OpenClaw Skills & Use Case Index

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Skills with capability: test hardness

Browse skills that share this capability.

  • mineral-identification - Field Mineral Identification Guide
    prospectingmineralsgeologyidentification

    ★ 36 · Updated 2026-06-30

    Identify minerals and ores using hardness, streak, luster, cleavage, crystal habit, and simple chemical tests

    ⚙ observe field context⚙ test luster⚙ test hardness