In 1864 and 1865, a series of scientific findings clarified that niobium and columbium were the same element (as distinguished from tantalum), and for a century both names were used interchangeably.
ໃນ 1864 ແລະ 1865, ໄລຍະການຂອງການຄົ້ນພົບວິທະຍາສາດເປັນກະຈ່າງແຈ້ງວ່າ niobium ແລະໂຄລໍາໄດ້ອົງປະກອບດຽວກັນ (ເປັນຈໍາແນກໄດ້ຈາກ tantalum), ແລະສໍາລັບການສະຕະວັດຊື່ທັງສອງໄດ້ຖືກນໍາໃຊ້ interchangeably.