CHROMITE USGSChromite boulders and sand are therefore as a rule more abundant in the surface soil than in the solid serpentine beneath Many pros pectors who find boulders of chromite on the surface feel confident that there is a large body of chromite . төмөр хийх үйл явцтөмрийн хүдэр бөөгнөрүүлэх үйл явц. зөгий үрэл хийх үйл ...