Numbers 12:1, 4, 9-10

While they were at Hazeroth, Miriam and Aaron criticized Moses because he had married a Cushite woman.

So immediately the LORD called to Moses, Aaron, and Miriam and said, “Go out to the Tabernacle, all three of you!” So the three of them went to the Tabernacle.

The LORD was very angry with them, and he departed. As the cloud moved from above the Tabernacle, there stood Miriam, her skin as white as snow from leprosy. When Aaron saw what had happened to her