Home CRAFTS Making Iron From Sand Using Primitive Technology

Making Iron From Sand Using Primitive Technology


I made iron from ordinary sand in the creek. Sand contains a minor proportion of iron in the form of magnetite (and some hematite), the rest of the sand being other non iron minerals such as silica. In this form it is not concentrated enough to use as an ore to produce iron metal. However, it is possible to concentrate the magnetite grains from the silica sand using gravity separation, as magnetite is heavier than silica sand.

source/image(PrtSc): Primitive Technology

So, I made a sluice box from a spare roof tile I made in an earlier video. The curved tile acts as a chute and grooves were carved into the concave surface perpendicular to it’s length. When sand was put into the sluice and water was run over it, the heavier magnetite got trapped in the grooves and most of the lighter sand was washed away. The trapped iron sand was then tipped into a collection pot.

This sand was then sluiced a second time to concentrate it further. From experiment, it was found that sluicing twice yields the best result for effort, sluicing a 3rd time does little to further concentrate the ore.A furnace was then built and the ore tested. About 500g of charcoal and 200g of iron sand were charged every 5 minutes, for 6 charges. The result was a small amount of iron in the form of some cast iron spherical prills (similar to other smelts I’ve done) and jagged coral like formations, also of cast iron (a form new to me).


When comparing the result to my usual ore, iron bacteria, it produces about the same amount of iron but with a different shape. The benefit of using iron sand as an ore is that it can be found in almost all geological areas that have a creek or river, though the iron will be more concentrated in some areas than others.//Primitive Technology

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