Dear Sir or Madam,
We are one of the biggest pyrite products manufacturer in China.Our main products are high quality pyrite ore and high quality pyrite powder.The quality and the size as follow:
Pyrite ore(FeS2):
Quality :
S 48%min;
Fe 43%min;
SiO2 3%max;
H2O 1%max.
Size:3-15mm;10-30mm;10-50mm;10-80mm.

Pyrite powder(FeS2):
Quality :
S 48%min;
Fe 43%min;
SiO2 3%max;
H2O 1%max.
Size:100mesh X down;200mesh 98% down;325mesh 70%min down;400mesh 60% min down