Every person who shall dig, mine or remove any phosphate rock or phosphatic deposit from the beds of the navigable streams, waters and marshes of the State without license therefor previously granted by the State to such person shall be liable to a penalty of ten dollars for each and every ton of phosphate rock or phosphatic deposits so dug, mined or removed, to be recovered by action at the suit of the State in any court of competent jurisdiction. One half of such penalty shall be for the use of the State and the other half for the use of the informer.