There is no rock that is completely immune to weathering and erosion. Even the hardest and most durable rocks, like granite and diamonds, will eventually break down over time.

Here's why:

* Weathering: This is the breakdown of rocks into smaller pieces due to exposure to elements like rain, wind, ice, and temperature changes.

* Erosion: This is the transportation of weathered rock material by wind, water, or ice.

Even rocks that are very resistant to weathering and erosion will eventually succumb to these forces, although it may take a very long time.

Here are some factors that influence how fast rocks weather and erode:

* Rock type: Some rocks, like sandstone and limestone, are more porous and easily weathered than others, like granite and basalt.

* Climate: Wet and cold climates promote weathering and erosion more than dry and hot climates.

* Topography: Steep slopes are more susceptible to erosion than flat surfaces.

* Plant and animal life: Roots can break up rocks, and animals can burrow and transport soil, leading to erosion.

So, while no rock is truly immune to weathering and erosion, some are much more resistant than others. The process of weathering and erosion is a constant cycle that shapes the Earth's surface over millions of years.