What is the HSN code building materials

Bricks: 
The HSN code is 6801.

Jelly: 
If the jelly is made from natural stone and is intended for use as a building material, it is classified under HSN code 2517.

M sand and sand: 
If the sand is natural and is intended for use as a building material, it is classified under HSN code 2517.
Natural sands of all kinds, whether or not coloured, other than metal-bearing sands - HSN code 2505.