John Gill Bible Commentary

The standard of the camp of Dan shall be on the north side by their armies,.... To the left of the tabernacle as encamped, and so was the left wing of the grand army; it consisted of the tribes of Dan, Asher, and Naphtali, in which were several divisions and companies, whose camp also the Targum of Jonathan says reached four miles. According to the Jewish writers (m), Dan's stone was the "ligure", and his flag was coloured like to a sapphire, and there was figured upon it a serpent, on account of what is said Gen 49:17; Asher's stone was the "tarshish" or beryl, and his flag was coloured like to a precious stone, with which women adorn themselves, and on it was figured an olive tree, on account of what is said Gen 49:20. Naphtali's stone was the amethyst, and his flag was coloured like to clear wine, whose redness is not strong, and on it was figured an hind, on account of what is said of him Gen 49:21, and the captain of the children of Dan shall be Ahiezer the son of Ammishaddai; who made mention of in Num 1:10. (m) Bemidbar Rabba, ut supra. (sect. 2. fol. 178. 2.)