Rocks & Minerals Safety - Streak and Hardness tests

Rocks & Minerals Safety - Streak and Hardness tests: I have a safety question on Pearsons 91 activity “comparing minerals”. The prac involves students doing streak and hardness tests on the following:

  • Malachite (copper containing)

  • Galena (lead containing)

  • Gaspeite (nickel containing)

  • Pentlandite (nickel containing)

Should these be avoided due to handling and generation of dust etc given the high toxicity – particularly nickel” ?

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Publication Date: 11 January 2024
Asked By: Anonymous
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