Quartz stone 5-20CM

We are offering quartz stone
specification:
al:19 fe:1.779 ti:1.108 ca: 4.991 mg: 0.413
na :7.5 k: 3.516 li :0.875 cr :0.035
mn:0.095 cu:0.158 ni:0.024 co:0.045 b:0.234 p:0.304
our company have mining autonomy in some mines. Mineral in this mine with high quality, can be used as the raw materials of photovoltaic , semiconductor quartz crucible and quartz glass etc.after being processed.,which export japan and other countries. Whenever you need, wo can provide free original rock sample for your reference.
application: the raw materials of photovoltaic , semiconductor quartz crucible and quartz glass etc.