MagZen Natural Magnetic Magnetite Sand (Black) 1LB - MinedBoth Magnetite And Hematite Are Oxides Of Iron. Use this Black Sand As An Agricultural Soil Additive, A Potted Plant Enhancing Material And A Ground Cover.uses of iron oxidesof sand mining,Ironsand - WikipediaIronsand also known as iron-sand and iron sand is a type of sand with heavy concentrations of . Sand used for mining typically had anywhere from 19% magnetite to as low as 2%. The ironsand typically had to be separated from the sand.
uses of iron oxidesof sand mining