Quartz with a grade 98-99% in the form of lumps or crushed.
Quartz mineral exporter.
Quartz, silica as SiO2 (99.06).
Silica quartz.
Silica ramming mass, quartz granules, quartz stone.
Quartz with 98.8% clarity.
Quartz, calcite and vollestronite.
Quartz lumps, quarts powder and quarts greets.