| Synonyms: | QUARTZ BLOCK FUSED, 99.5%;QUARTZ, POWDER 70-100 MESH ( WASHED);QUARTZ MICROFIBRE FILTER SHEETS WHATMAN QM-A 8"X10" BOX 25;QUARTZ, POWDER 200-250 MESH ( WASHED);QUARTZ, POWDER 40-70 MESH ( WASHED);QUARTZ DISC;QUARTZ, SAND 150-200 MESH SUITABLE FOR CHROMATOGRAPHY ( WASHED);QUARTZ, CRYSTAL |