Question

Amphibole silicate structure has ‘x’ number of corner shared per tetrahedron. The value of ‘x’ is

• A.
• B.
• C.
• D.

Answer 1

The correct option is B

One tetrahedral shares three corners while other adjacent one shares only two corners hence, average shared corners $=\frac{3+2}{2}=2\frac{1}{2}$