Kalmar "black bead" yawanci tana nufin ƙarami, zagaye dutsen dutse mai launin baki. Ana amfani da shi sau da yawa wajen yin kayan ado kuma ana iya yin shi daga abubuwa daban-daban, kamar gilashi, dutse, filastik, ko itace. A wasu al'adu, an yi imanin cewa baƙar fata suna da kaddarori na musamman ko alama, kamar kariya, warkarwa, ko mahimmancin ruhaniya.
