HSN CODE - 2506 : QUARTZ (OTHER THAN NATURAL SANDS); QUARTZITE, WHETHER OR NOT ROUGHLY TRIMMED OR MERELY CUT, BY SAWING OR OTHERWISE, INTO BLOCKS OR SLABS OF A RECTANGULAR (INCLUDING SQUARE) SHAPE

Harmonised System of Nomenclature (HSN Codes) 2506 are used for the QUARTZ (OTHER THAN NATURAL SANDS); QUARTZITE, WHETHER OR NOT ROUGHLY TRIMMED OR MERELY CUT, BY SAWING OR OTHERWISE, INTO BLOCKS OR SLABS OF A RECTANGULAR (INCLUDING SQUARE) SHAPE products under Goods and Service Tax classification.

India was originally using 6 digit HSN codes to classify commodities but later two more digits were added to make the codes more precise, resulting in an 8 digit classification.