Which statement is wrong? (a) Beryl is an example of cyclic silicate. \( \mathrm{P} \) (b) \( \m...

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Which statement is wrong?
(a) Beryl is an example of cyclic silicate.
\( \mathrm{P} \)
(b) \( \mathrm{Mg}_{2} \mathrm{SiO}_{4} \) is orthosilicate.
W.
(c) Basic structural unit in silicates is the \( \mathrm{SiO}_{4} \) tetrahedron.
(d) Feldspars are not aluminosilicates.
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