Mineral Characteristics (Video: 7 mins 54 secs)
https://www.ck12.org/earth-science/Minerals/lecture/Mineral-Characteristics-Hommocks-Earth-Science-Department/?referrer=featured_content
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Rocks and Minerals (Video: 3 mins 34 secs)
http://www.sciencekids.co.nz/videos/chemistry/mineralchemistry.html
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https://www.ck12.org/earth-science/Minerals/lecture/Mineral-Characteristics-Hommocks-Earth-Science-Department/?referrer=featured_content
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Rocks and Minerals (Video: 3 mins 34 secs)
http://www.sciencekids.co.nz/videos/chemistry/mineralchemistry.html
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