I have 20 stone ideas:
Invisible Stone (gray) - Grants the user Invisibility.
Restoration Stone (dark orange) - Grants the user Healing & Restoration.
Telekinetic Stone (bright yellow) - Grants the user Telekinesis.
Spin Stone (lime) - Grants the user Hyper Rotation.
Speed Stone (cyan) - Grants the user Supernatural Speed.
Strength Stone (maroon) - Grants the user Supernatural Strength.
Life Stone (bright green) - Grants the user Life-Force Manipulation.
Death Stone (black) - Grants the user Death-Force Manipulation.
Weather Stone (light gray) - Grants the user Weather Manipulation.
Skip Stone (crimson) - Grants the user Skipping.
Blood Stone (bright red) - Grants the user Blood Manipulation.
Vampire Stone (dark purple) - Grants the user Vampire Physiology.
Shapeshift Stone (pink) - Grants the user Shapeshifting.
Kinetic Stone (sky blue) - Grants the user Kinetic Energy Manipulation.
Flight Stone (baby blue) - Grants the user Flight.
Gravity Stone (dark blue) - Grants the user Gravity Manipulation.
Radioactive Stone (mint green) - Grants the user Radiation Manipulation.
Existence Stone (mint) - Grants the user Existence Manipulation.
Age Stone (honey) - Grants the user Age Manipulation & Semi-Immortality.
Teleportation Stone (steel) - Grants the user Teleportation & Teleportation Manipulation.