Okies - as you are probably aware, there are literally hundreds of different crystals and stones, so I have just chosen a few to list. If there are any specifics that aren't listed, please do let me know.
Amber - Lifts the spirits
Amethyst - Stimulates intuitive awareness/Relieves headaches
Aquamarine - Calms nervous tension
Bloodstone - Removes emotional blockages and limitations/Overcomes physical trauma
Pink Quartz - Increases feelings of self worth
Emerald - Stimulates truth and perception, enhances dreams
Red Jasper - Protects against external stresses
Jet - Prevents depression
Lapis Lazuli - Stimulates wisdom, releases tension and anxiety
Malachite - Helps aid sleep,deters evil spirits
Opal - Promotes psychic stability
Peridot - Stimulates the mind,relieves stress
Ruby - Protects sensitive natures
Sapphire - Relieves depression, promotes peace and happiness. Also stimulates motivation.
Tigers Eye - Balances the emotions,strengthens personal power
Topaz - Calms the emotions and protects against external stresses
Turquoise - Enhances meditation, brings emotional balance
Zircon - Promotes positive attitudes, creates unity
As I have said - these are just a few I have chosen, and the info I have given is brief, but is a start.
The info is from various sources but mainly from a book called Stone Power - D.L.Mella