Manganese ore from Zambia

PRODUCT : Manganese ore.
ORIGIN :Zambia
QUANTITY: Trial shipment 1000mt /- 10% at seller´s option;
Partial shipment / transhipment allowed, the whole shipment shall be completed within one month (30 days from L/C issuance date),minimum shipment per B/L should be 500 MT;
QUALITY The quality of the Manganese ore shall have the following chemical specifications on dry basis:

TYPICAL GUARANTEED

Mn : 46.00 %-48.00% (42.00 % MIN. 42.00% Rejection)
SiO2 : 7.00 %-9.00 % MAX.
P : 0.08 %-0.10 % MAX.  0.12% Rejection
Fe : 4.0 % - 5.00 % MAX.
Al2O3 ; 4.5 % - 6.0 % MAX.
Moisture : 5.0 % - 10.00 % MAX.
Sizes : 10-80mm Min 85%