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Rahul kumar Best Answer
Both Jaspilite and Itabirite are banded ores of iron but specularite is aggregates of silvery, metallic, specular hematite flakes or tabular, anhedral crystals. So all three can be cumulatively considered as ironstones. Itabirite: Also known as banded-quartz hematite and hematite schist Jaspilite: A siliceous or metamorphosed banded ironstone, including iron-rich quartzites, interbedded jasper and iron oxides. Specularite: A variety of Hematite