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Magnetite Mineral Sand Concentrate - 1/2 Kilo. For Sale
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Magnetite Mineral Sand Concentrate - 1/2 Kilo.:
$35.00
Magnetite Mineral Sand Concentrate - 1/2 Kilo Amount.
Concentrates from my Colorado placer mining project. Concentrates were produced with Pan-Am style duplex jigs and then secondary upgrading using gravity separation tables. Concentrates are then dried and then magnetic separation takes place to produce this concentrate.
The magnetite contains various precious metals - confirmed in assays for Au, Pt and Pd.
Great for research, extraction projects, and as a collectible. Note they still contain some amounts of gold – these should run ¼ ounce a ton according to fire assay from Hazen Research. In addition, according to xrf analysis these concentrates do contain the suite of platinum group metals. If you can extract them – let me know!!Approximate Composition85% Fe-Ti Oxides
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