Question

The type of silicate unit present in Beryl silicate {$B{e}_{3}A{l}_2[S{i}_6{O}_{18}]$} is

• A. Ortho silicate
• B. Chain silicate
• C. Cyclic silicate
• D. Pyro silicate

Answer 1

Answer: (C)

$(S{i}_6{O}_{18}{)}^{12-}$ are cyclic silicates