ChristianAnswers.Net WebBible Encyclopedia
occurs only in Genesis 2:12, where it designates a product of the land of Havilah; and in Numbers 11:7, where the manna is likened to it in color
It was probably an aromatic gum like balsam which exuded from a particular tree (Borassus flabelliformis) still found in Arabia, Media, and India. It bears a resemblance in color to myrrh.
Others think the word denotes “pearls,” or some precious stone.