Entry from US English dictionary
Definition of specular iron ore in English:
Hematite with a metallic luster.
- Gray hematite has a brilliant metallic luster and is known as specular iron ore or looking glass ore.
- The steel-gray crystals and coarse-grained varieties have a brilliant metallic lustre and are known as specular iron ore or looking glass ore.
- Among the valuable specimens of minerals found here may be named, triciliate of iron, sulphuret of bismuth, native copper, specular iron ore, hydrous oxide of iron.
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