The building block of the silicate minerals is the silica tetrahedron, represented by the chemical formula _________.
Silicate minerals are subdivided into groups based on their
When silica tetrahedra polymerize, they share one or more of their oxygen molecules, so that the total number of oxygen cations per silicon anion decreases.
Why was the development of X-ray diffraction (XRD) so important to the study of minerals in general, including the silicates?
Which of the following describes the structure of hornblende?
Which of the following describes the structure of olivine?
Which of the following describes the structure of plagioclase feldspar?
Which of the following describes the structure of pyroxenes?
Which of the following describes the structure of muscovite?
Feldspars and quartz have a similar structure, but ______ replaces Si4+ in some of the tetrahedra.
Muscovite breaks easily into very thin layers. Why is this the case?
Quartz and feldspar are both framework silicates and they are both very hard. This is because
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