THE AQUARIUS was created with accents of imperial jasper& amethyst. available in black onyx, howlite and lava rock. aquarius is a fixed air sign, ruled by the planet uranus and is represented by the water bearer. impression jasper provides emotional stability, amethyst brings peace. the black onyx option brings protection. the howlite option brings peace. the lava rock option can be used for aromatherapy with essential oils.