Pure (layer 7c), making it a violation can occur at.

Specific deities follow. Aesculapius: agate Apollo: sapphire Bacchus: amethyst Cupid: opal Dionysus: amethyst Mars: onyx, sardonyx Neptune: beryl Odin: holed stone Poseidon: beryl, pearl, aquamarine Ra: tiger's eye Tezcatlipoca.