Protection
These gemstones are thought to provide protection from various dangers, such as physical and psychological harm, evil magic, evil wishers or other hazards.

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.
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..
Silver : Protects from evil spirits (werewolves, vampires, etc.).
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.