All

- All effects on paired materia. Can find throughout the game, and can purchase at Fort Condor in Disc 3.
AP Needed for Master: 35000

Elemental

- Adds materia element to weapon or armor. You first get it from the mayor of Midgar if you guess correctly on the first try in his game.
AP Needed for Master: 80000

Added Effect

- Adds materia status to weapon or armor. You can get this in the Cave of the Gi.
AP Needed for Master: 100000

MP Absorb

- Drains enemies' MP if attached orb damages. It's about 10% of the damage inflicted. Get this materia at the Item Shop in Wutai (in the treasure chest).
AP Needed for Master: 100000

HP Absorb

- Drains 10% of inflicted damage and adds to your HP. Get this at the cat house in Wutai.
AP Needed for Master: 100000

Added Cut

- Attack when using attached orb. Get this at the Great Glacier.
AP Needed for Master: 200000

MP Turbo

- Uses extra MP and increases the power of paired magic. Works well with Summons. Get this at the Whirlwind Maze.
AP Needed for Master: 120000

Steal As Well

- Steals while using attached orb. Get in the Fire Cave in the Da-Chao Statue.
AP Needed for Master: 200000

Magic Counter

- Counter with attached Green/Red. Get it as a Chocobo Racing Gift.

Final Attack

- Cast attached when character dies. Works well with Revive and Phoenix. Get this after winning the Boss Battle in Battle Square.
AP Needed for Master: 160000

Quadra Magic

- Attached orb will randomly cast 4 times. Get this in the Materia Cave Northeast of Mideel. Requires River Chocobo.
AP Needed for Master: 200000

Sneak Attack

- Cast attached orb at the beginning of the battle. Get this as a Chocobo Racing Gift.
AP Needed for Master: 150000

Command Counter

- Counters with attached command materia. Get this in the North Cave.