Al Furqan, 53 Ayah
25:53
۞ وَهُوَ ٱلَّذِي مَرَجَ ٱلۡبَحۡرَيۡنِ هَٰذَا عَذۡبٞ فُرَاتٞ وَهَٰذَا مِلۡحٌ أُجَاجٞ وَجَعَلَ بَيۡنَهُمَا بَرۡزَخٗا وَحِجۡرٗا مَّحۡجُورٗا ٥٣
Wa Huwa Al-Ladhī Maraja Al-Baĥrayni Hādhā `Adhbun Furātun Wa Hadhā Milĥun 'Ujājun Wa Ja`ala Baynahumā Barzakhāan Wa Ĥijrāan Maĥjūrāan
And it is He who has released [simultaneously] the two seas, one fresh and sweet and one salty and bitter, and He placed between them a barrier and prohibiting partition.