chemistry of rocks and minerals

Investigations of Pyrite Nugget Beads: An Experiment for National Chemistry Week, Part 2

Tom Kuntzleman | Fri, 10/13/2017 - 17:17

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Decorative beads are tested for the presence of iron pyrite, or FeS₂, in an activity well-suited for the National Chemistry Week theme of "Chemistry Rocks!"

Investigations of Hematite Beads: An Experiment for National Chemistry Week

Tom Kuntzleman | Sun, 10/01/2017 - 19:32

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I have been in the lab conducting tests on the chemical and physical properties of various geological samples. In my investigations I’ve found that hematite is a particular mineral that is easy to acquire and quite amenable to experimentation.