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Cr2O3 41.50 Feldspathic Pyroxenite South Africa

Category: BASE METALS CONCENTRATE 
Product Code: AMIS 0665

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AMIS0665 Cr2O3 41.50 Feldspathic Pyroxenite South Africa

Origin of Material

The chromite layers within the Critical Zone occur as three stratigraphically delineated groups. The Lower Group ("LG") consists of seven chromitite layers hosted within a feldsphatic pyroxenite. Four chromitite layers contained within a norite and feldspathic pyroxenite sequence constituting the Middle Group ("MG") which is situated immediately between the Lower Group and the Upper.

Approximate Mineral and Chemical Composition

This material I a metallurgical concentrate mixture of MG1/MG2 wit approximate concentration of 44% for Cr2O3.

Recommended Concentrations and Limits
(at two Standard Deviations)
Certified Concentrations

Analyte Method Certified (µ)6 (2s)8 ± Unit
Cr FUS1 28.40 0.57 %
C Combustion/LECO2 734 120 ppm
S 4A_MICP3 0.010 0.001 %
SG SG4 4.35 0.19 Dimensionless
Al FUS 7.90 0.40 %
Ba 4A_MICP 10 2 ppm
Be 4A_MICP 2 0.4 ppm
Bi 4A_MICP 0.6 0.04 ppm
Co FUS 248 23 ppm
Cu 4A_MICP 23 9 ppm
Fe FUS 18.58 0.79 %
Li 4A_MICP 192 8 ppm
Mg FUS 6.46 0.30 %
Mn FUS 1638 103 ppm
Mo 4A_MICP 1 0.1 ppm
Ni 4A_MICP 824 131 ppm
Pb 4A_MICP 129 13 ppm
Rb 4A_MICP 6 1.23 ppm
Sc 4A_MICP 9 4 ppm
Si FUS 2.90 0.20 %
Ta 4A_MICP 1 0.3 ppm
Ti FUS 3903 332 ppm
V 4A_MICP 1805 158 ppm
V FUS 1943 208 ppm

Major Oxides
Certified Concentrations (at two Standard Deviations)

Analyte Method Certified (µ)6 (2s)8 ± Unit
Cr2O3 FUS 41.50 0.83 %
Cr2O3 XRF5 41.15 0.38 %
Al2O3 FUS 14.87 0.74 %
Al2O3 XRF 14.83 0.27 %
CaO XRF 0.47 0.06 %
Co3O4 FUS 0.034 0.003 %
Fe2O3 FUS 26.43 1.1 %
Fe2O3 XRF 26.52 0.34 %
MgO FUS 10.73 0.47 %
MgO XRF 10.97 0.18 %
MnO FUS 0.21 0.01 %
SiO2 FUS 6.18 0.44 %
SiO2 XRF 6.10 0.084 %
SO3 XRF 0.042 0.01 %
TiO2 FUS 0.65 0.05 %
TiO2 XRF 0.66 0.026 %
V2O5 FUS 0.35 0.037 %

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