The Introduction To Hematite Ornament
The chemical composition of hematite is Fe2O3, an oxide mineral of hexagonal crystal system. The iron-black, metallic lustrous flaky hematite aggregates are specular hematite. Gray, metallic luster of the scale-shaped hematite assemblage is mica hematite. Hematite is an extremely widely distributed iron mineral in nature, is an important raw material for ironmaking, and can also […]
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