magnetite magnetic ore. it is a magnetic mineral formed by iron oxides industrial use

esoteric gemology minerals raw ornamental industrial ironstone protective stone ore oxides haematite mineralogy mineral class iron oxide energy healing magnetic gemological hematite formation semiprecious object material pebble metallic metal black nature natural macro specimen gray gemmology rock gemstone geological geology isolated trigonal crystal system base chakra grounding shiny magnetite magnetite ore formed oxides use