Generally, all orange and red stones; stones related to the Sun and Mars; Fire and Air-ruled stones, such as carnelian, ruby, garnet, orange calcite, diamond, tiger's eye, topaz, sunstone, bloodstone and tourmaline.
Stones related to specific deities include:
Mars: onyx, sardonyx
Odin: holed stone
Poseidon: beryl, pearl, aquamarine
Ra: tiger's eye
~from Maat's Books of Shadows