| Four of the oldest monasteries in the world still survive in the natron Valley. |
| Gradually the yellow skin preserved by the natron began to appear through the cross-hatchings of the bandages. |
| Behind her, in baskets were ivory tusks, gold, blocks of incense, natron salts and uncut precious stones. |
| In alkaline lakes, natron and trona are found in the United States, Africa, and South America. |
| The soda was imported from the eastern Mediterranean in a form called natron. |
| After this they fill the cavity with myrrh, cassia and other spices and the body is placed in natron for 70 days. |
