I got this list on; www.sobrietystones.com. They use healing stones along with the 12 step program.
Protection from Negativity -
Citrine: Brings happiness, joy and optimism into your life. One of only two minerals on the planet which do not hold or accumulate negative energy, but dispels and transforms it. You don't ever have to cleanse Citrine, because it doesn't hold any negativity!
Garnet: Noted for its powerful protective energy. Carried by ancient soldiers for protection . The stone was set in shields, buckles, and other items worn by Crusaders.
Hematite: It helps to balance out the emotions and energies between the body, mind and spirit. Not only does it dissolve negativity, but actually transforms it into the energy of Universal Love.
Pyrite: protection from negative energy on your path
Ruby: protection on all levels including unhappiness - here to encourage you to follow the bliss
Quartz Crystal Clear Point - A very powerful amplifying stone that dispels all negativity around you.
Obsidian: This is and excellent grounding and protective stone shielding against negativity and transforming negative energy within an environment.
Fire Agate: (base) is a protective shield sending all threat of harm back to its source.
Amethyst, Turquoise, Jasper
Agate
Eye shaped Agates protect against Evil Eye.
Amber
First rate protector to ancient Romans.
Andalusite
Protection from Evil.
Aquamarine
Protect Sailors at sea.
Blue Chalcedony
Protect against evil magic and political unrest.
Blue Chalcedony
Repel evil-spells and ill-wishers.
Cat's Eye
Protect from Evil Eye.
Carnelian
Protection from envious persons.
Fluorite
Psychic Protection.
Fossils
Protection when worn.
Hematite
Protects warrior going to battle.
Jade
Protects children from danger.
Jasper
Jaspers are said to bring protection.
Jet
Protects and absorbs negative energies.
Labradorite
Protect the aura from energy leakages.
Mahogany Obsidian
Excellent protector.
Malachite
Protect against Evil Eye and also children from Witchcraft from Evil Spirits.
Moonstone
Protect those at sea.
Mother-of-Pearl
Protect newborn infants.
Obsidian
Strong protector. Psychic protection.
Peridot
Protects entire body. Protects from demons..
Picasso Jasper
Protect women during childbirth..
Red Jasper
Protect in dangerous situations and bring rescue.
Riverstone
Used as building, religious and burial protection..
Ruby
Hindus believed it protected everything--home, family, possessions..
Sapphire
Powerful protector.
Serpentine
Venom of snakes..
Smokey Quartz
Protect from negativity in healing/other realms.
Sunstone
Protect from destructive forces.
Tiger Iron
Said to return evil wishes/spells back to sender.
Topaz
Protects from greed.
Tourmaline
Black Tourmaline is thought to be a powerful Protector..
Turquoise
Protects from injury.
Zircon
Protects from lightning, robbery, bodily harm and disease.