Tungsten concentrate (Scheelite)
Assays: |
| | (Range) |
(Average) |
| WO3 | 50 - 56% | 53% | | P | 1,4 - 2,5% | 2,0% | | S | 0,3 -0,7 % | 0,45% | | Cu | < 0,2 % | 0,1 % | | Bi | <0,03 % | 0,02% | | Mo | <0,04 % | 0,02% | | Fe | 0,3 - 1,0% | 0,5 % | | As | <0,01 % | 0,005% | | |
| Mineralogy: | |
| | CaWO 4 | 67,5% | | CaCO 3 | 18% | | Ca5 (PO4)3 | 7% | | SiO2 | 4,5 % | | MeS( FeS ) | 3,0 % | |
|  |
Moisture: 3,0-6,0 %
Packing: - 1MT big-bags
Copper concentrate
| | Range | Average | | Range | Average | | Cu | 15-19 %
| 17 %
| S
| 25 – 30 %
| 27,5 % | Au
| 33-57 ã/ò (g/t) | 45 ã/ò (g/t) | Pb | 0,1- 0,5 % | 0,3 % | | Ag | 100–300ã/ò (g/t) | 200 ã/ò (g/t) | SiO2 | 1,5 – 6% | 3,7 % | | Bi | 0,3 – 0,8 % | 0,55 % | WO3 | 0,03 – 0,22 % | 0,12 % | | As | 0,4 – 2,6 % | 1,5 % | CaO | 1,5 – 4,0 % | 2,8 % | | Zn | 0,1-0,3 % | 0,2 % | Mg | 0,5 – 2,0 % | 1,2 % | | Fe | 34-40 % | 37 % | | | | |  |
Moisture: 7,0 –12,0 %
Packing: - 1MT big-bags
Products of conversion
Ammonium Paratungstate |
| WO 3 |
< 88.5% min |
| Al/Cr/Co/Mg/Mn | ≥ 5 ððì | | Ni/Ti/V/Ca | > 5 ððì | | As/P/S | ≥ 7 ððì | | Bi/Cd/Cu/Pb/Sn | ≥ 1 ððì | | Fe/Si/K/ Na | ≥ 10 ððì | | Mo | ≥ 20 ððì | | Sb | ≥ 2 ððì | | Apparent Density |
1.6 – 2.4 ã/ñì3 | |
|  |
Tungsten trioxide |
| WO 3 | < 88.5% min |
| Al/Cr/Co/Mg/Mn/Ni/V | 5 ððì | | Bi/Cd/Cu/Pb/Sn | 1 ððì | | Ca/Na/P/S | 7 ððì | | Fe/Si/K | 10 ððì | | Mo | 20 ððì | | Sb | 2 ððì | | As | 9 ððì | | Apparent Density |
2.4 – 3.0 ã/ñì3 | |
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