There isn't a single mineral that is completely "resistant" to fire and heat, as all materials will eventually break down or change form under extreme temperatures.

However, some minerals are more resistant to fire and heat than others. Here are a few examples:

* Diamond: The hardest known natural material, diamonds have a high melting point and are resistant to most chemicals, making them very stable under high temperatures.

* Quartz: Quartz has a high melting point and is relatively inert, meaning it doesn't react easily with other substances. It's commonly used in high-temperature applications.

* Corundum: This mineral, which includes rubies and sapphires, is very hard and has a high melting point.

* Zirconia: This mineral is known for its high melting point and resistance to chemical attack, making it useful in high-temperature applications.

It's important to note that even these minerals will eventually break down or change form under extremely high temperatures.

For specific applications, it's crucial to consider the exact temperature and environment when selecting a fire and heat-resistant material.