powdered azurite used as a pigment

A candle made of paraffin.

coal coming from the ground, as opposed to charcoal / Silky fibrous layers of charcoal, interlaminated in beds of ordinary bituminous coal.

ozocerite

A green carbonate of copper; malachite.

(ecology) An insect larva that lives between the epidermis of a leaf and consumes the leaf tissue.

(law) The right to exploit the mineral resources located on or, especially, beneath a parcel of land

plural of miner's inch

plural of mineral right

plural of mineral candle