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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.

An indigo-blue variety of quartz.

Formerly, magnetic iron ore, or loadstone.

Any plant of the genus Sideritis; ironwort.

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.

An indigo-blue variety of quartz.

Formerly, magnetic iron ore, or loadstone.

Any plant of the genus Sideritis; ironwort.

The loadstone; a phosphate of iron; ironwork; a labiate plant.

A name given to sparry iron ore; cube ore; sometimes applied to a vitreous variety of quartz of an indigo colour.