Significados de brown hematite em inglês

Ferruginous masses, probably consisting of brown hematite, come also from this island.

Obtain specimens of the following iron ores: Hematite, brown hematite, magnetite, carbonate, and pyrites.

Coarse siliceous sand, concreted by ferruginous matter; which, in some places, is in the state of brown hematite.

This range is composed of brown hematite, decomposing to yellow (tertiary), and is very magnetic, the compass being useless.

The compass is useless on these hills, as they are composed of micaceous iron ore, with brown hematite, which is very magnetic.

Mount Hale is very lofty and rugged, and is composed of micaceous iron ore, with brown hematite; being magnetic, the compass was rendered useless.

Brown hematite, enclosing quartzose sand.

Should it be diversified by any steep ascents, they would see brown hematites appear, the last deposits of some rich vein of mineral.