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1 November, 20:43

What type of silicate minerals is shown from this arrangement of silicon tetrahedron?

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  1. 2 November, 00:27
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    Since no choices are given, I would just give the 6 possible tetrahedron structures of silicate minerals. Then, it will be up to you to distinguish which one fits to your choices.

    1. Isolated tetrahedra - they are separated by positive charges. An example would be olivine.

    2. Ringed tetrahedra - they are linked together by positive charges, like that of tourmaline.

    3. Tetrahedra - oxygen is shared by two neighbors like that of the pyroxene family.

    4. Double chains/Ribbons - example whould be the amphibole family

    5. Silica Sheets - when oxygen is shared by three adjacent molecules like the micas and the clay minerals.

    6. Three-dimensional framework - four oxygen atoms are linked to other tetrahedra like feldspar and quartz.
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