Metals:

* Aluminum: Highly conductive and commonly used in cookware, foil, and building materials.

* Copper: Excellent conductor, often used in electrical wiring and plumbing.

* Silver: The best conductor of heat, but expensive.

* Gold: Similar conductivity to silver, but more resistant to corrosion.

* Brass: An alloy of copper and zinc, good conductor, often used in musical instruments and fittings.

* Steel: A ferrous alloy, a good conductor of heat, used in construction and machinery.

Other materials:

* Diamond: An excellent thermal conductor, with high reflectivity, although not commonly found in shiny surfaces.

* Graphite: A form of carbon with good thermal conductivity, often used in high-temperature applications.

Why these materials are shiny:

Shiny surfaces reflect light, and good conductors of heat tend to have free electrons that can easily move and interact with light. This interaction leads to the reflection of light, resulting in a shiny appearance.

Important Note: Some of these materials, particularly metals, can lose their shine over time due to oxidation, tarnishing, or other surface changes.