Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also sparry iron, spathic iron.
A meteorite consisting solely of metallic iron.
Formerly, magnetic iron ore, or loadstone.
An orangish to black or brown mineral, FeCO3.
iron ore in the form of ferrous carbonate
a meteorite consisting principally of nickel and iron
a carbonate mineral with the chemical formula of FeCO3
a meteorite composed primarily of iron.
Also called ironstone, that is a concretion of iron carbonate. Common in the Mazon Creek fossil beds.
Iron carbonate, which when pure, contains 48.2% iron; must be roasted to drive off carbon dioxide before it can be used in a blast furnace. (Roasted product is called sinter.)
Siderite is also the name of a type of iron meteorite. ----
