Okay, i didn't make this materia part of my site. I don't time to do the whole thing. I got all of this information from Unofficial Final Fantasy 7. Just wanted to clear this up.

Mideel collapses forcing Cloud and Tifa into a coma

Command Materia

Name of Materia	Commmand	Description	AP	Location
Steal	Steal Mug	Steals opponent's item Attack + Steal	50000 500	Midgar Sewers
Sense	Sense	View Lvl/Hp/Mp/Weakness	40000	Sectoe 6 Playground
Enemy Skill	E.Skill	Learn opponent's attacks	0	Shinra Corporate HQ Level 68
Throw	Throw Coin	Throws items at opponents Throws money at opponent	60000 600	Yuffie enters party equipped
Manipulate	Manip.	Gain contral of enemy target	40000	Cait Sith enters party equipped
Deathblow	D. blow	Critical Attack or Miss	40000	Road near Gongaga Reactor
Morph	Morph	Changes enemy into items	100000	Temply of the Ancients
Double Cut	2x-Cut 4x-Cut	Attacks the opponent 2 times in a strike Randomly attacks opponents 4 times	150000 150000	Sunken Shinra Air Ship
X Summon	None	Cast two Summon spells in one round	250000	64,000 BP at Battle Square in Gold Saucer
Slash All	Slash-All Flash	Attacks a whole group of enemies Instand death for all opponents	150000 150000	Ancient Forest (after defeating Shadow Beast)
Mime	None	Mimics last command	100000	Cave South of Wutai (requires Green Chocobo)
X Magic	None	Cast two magic spells in one round	250000	Final Dungeon, Above Cmd. Counter
X Item	None	Use two items in one round	250000	Underneath Midgar
Mstr. Cmd.	None	Steal/Throw/Mimic/Manipulate/Morph/ Deathblow/Sense	0	Cosmo Canyon and Emerald WEAPON

Independent Materia:

Name of Materia	Description	AP	Location
Cover	Increase Defense, protect other characters	40000	Aeris' Garden
Chocobo Lure	Attract Chocobos (While in tracks)	0	Purchase from Chocobo Billy
Long Range Attack	Same attack strength (front/back row)	80000	Climb vines in Mythril Cave
Counter Attack	Counterattack when hit	100000	After defeating Materia keeper in Nibelheim Mountains
Enemy Lure	Increases enemy encounter rate	50000	250 BP at Battle Square in Gold Saucer
Speed Plus	Increase Speed	100000	4000 BP at Battle Square in Gold Saucer
MP Plus	Increase MaxMP	50000	Shop in Cosmo Canyon
HP Plus	Increase MaxHP	50000	Shop in Cosmo Canyon
Luck Plus	Increase Luck	100000	Temple of the Ancients
Magic Plus	Increase Magic Attack	0	Corral Valley Cave
Gil Plus	Increase Gil gained from battle	150000	10,000 GP at Wonder Square in Gold Saucer
Pre-Emptive	Increase First Strike Chances	80000	Gold Saucer
Exp. Plus	Increase EXP gained from battle	150000	2000 GP at Wonder Square in Gold Saucer
Enemy Away	Decrease enemy encounter rate	50000	Chocobo Racing
HP�<-->�MP	Swaps Max HP and Max MP	80000	Cave North of North Corel (Requires Black or Gold Chocobo)
Mega All	Cmds/ Spells target all	160000	Final Dungeon
Underwater	Removers Timer from Emerald WEAPON	0	Kalm Traveler

Magic Materia:

For each spell, the AP follows the name, followed by the Mp in the MP/Ap Column. For the materia orbs themselves, the AP to Master is listed in the MP/AP Column
Str- Strength Adjustment
Mag- Magic Adjustment
Vit- Vitality Adjustment
MDef- Magic Defense Adjustment
HP- MaxHP Adjustment
MP- Max MP Adjustment

Summon Materia:

Name of Materia	Description	Mp to Cast	Total Ap	Location
Choco Mog	A mog riding a chocob appears and sometimes Stops the enemy. Another possilbe outcome is that a giant chocobo will fall on the enemy	14	3500	At chocobo ranch from chocobo
Shiva	Shiva will come down and cause a glacier to appear underneath the enemy	32	50000	From the little girl in Junon
Ifrit	Ifrit will come roaring out of the earth and go careening through the enemy in a ball of flame	34	60000	After killing the first Jenova in the Shinra Boat
Ramuh	The god of thunder will appear upon a pillar of earth and cause lighting to rain down upon the enemies	40	70000	Inside the chocobo jockey room in the Gold Saucer
Titan	Titan will use his strength and make the floor land on the enemies :)	46	80000	Inside the destroyed reactor at Gongaga
Odin	Two possible outcomes: Gunge Lance, where he throws his lance skywards and then it comes down on the enemies, or Steel Bladed Sword, where he will instantly kill non-boss enemies	80	90000	Inside the safe in the�Mansion in Nibelheim
Kjata	A quadra elemental attack is applied to all enemies	110	140000	Sleeping Forest (floating materia)
Bahamut	The lord of the dragons comes down and attacks all enemies	100	120000	After killing red dragon in Cetra Shrine
Alexander	A huge machine representing Justice comes out from the ground and attacks all enemies with a holy attack	120	150000	Inside the crater (1st visit)
Neo Bahamut	A larger form of bahamut attacks all enemies with a stronger attack	140	200000	Whirlwind Maze
Leviathan	A huge serpentine monster appears and attacks all enemies with a wave atack	78	100000	After killing Godo in Wutai
Phoenix	The legendary bird of fire appears and attacks all enemies with a fire attack as well as casting life 2 on the party	180	180000	Fort Condor
Hades	A creature looking very much like death appears with a cauldron, which inflicts damage as well as causing several status effects	150	250000	From Shinra Plane (Near Gold Saucer, underwater)
Bahamut ZERO	The final and most powerful bahamut form attacks from the black space above	180	250000	From Huge Blue Materia (Requires Bahamut and Neo Bahamut)
Typhoon	Chupon (FF3) appears and causes the enemies to fall into the sky	160	250000	Ancient Forest ( Only accesible after weapon is killed or with Gold Chocobo
Knights of the Round �	The ultimate summon spell, the 13 knights of the round table appear and cause a huge amount of damage	250	500000	NE Uncharted Island (Requires Gold Chocobo

Support Materia:

Name of Materia	Description	AP	Location
All	All effects on paired Materia	35000	Beginner's Shop in Sector 7
Elemental	Adds Materia element to equipped weapon or armor	80000	Shrina Corporate HQ Floor 62
Added Effect	Adds Materia status to equipped weapon or armor	100000	Cave of Gi
MP Absorb	Drains opponent's MP if attached Materia damages	100000	Wutai Item Shop, Treasure Chest
HP Absorb	Drains opponent's HP if attached Materia damages	100000	Wutai Cat House
Added Cut	Attack when using attached Materia	200000	HELP�ME�OUT�ON�THIS�ONE
MP Turbo	Uses extra MP and increases power of paired Magic	120000	Whirlwind Maze
Steal As Well	Steal simultaneously while using attached Materia	200000	Wutai Mountains
Magic Counter	Counter with attached Green/Red Materia	0	Chocobo Racing Gift
Final Attack	Cast attached Materia when character dies	160000	BATTLE�ARENA AFTER BOSS BATTLES
Quadra Magic	Attached Materia will cast randomly 4 times	200000	Cave South of Wutai (requires Green or Gold Chocobo)
Sneak Attack	Cast attached orb at beginning of battle	150000	THIS�IS�IN�THE�CHOCOBO�RACING�ARENA
Counter	Counter with attached Yellow	0	Final Dungeon

Master Materia:

Master materia are a combination of mastered indiviudal materias blended into one that can be used unlimited times. This is very beneficial. Master materia also only takes up one slot instead of the numerous ones if you wanted all of the materia.

Master Magic- Master all of the magic materia including the shield materia located in the Crater on the 3rd disc only. Go to Bugenhagen's lab and talk to the big green materia. Choose the first option and say yes to the materia blend.

Master Summon- Master all of the summons including hidden ones like Bahamut ZERO, Typoon, and Knights Of The Round. They are in the big blue materia, Ancient Forest, and Round Island, respectively. Talk to the big red materia(the one from the Shinra Sub that you went and got right?) and choose the first option. Then say yes to the materia blend. A Master Summon is very useful. You can cast a summon unlimited times in a single battle now. You can also link things like Quadra Magic and MP/HP Turbo onto the Master Summon and have that effect on all of them!

Master Command- Master the seven main commands (sense, steal, throw/coin, morph, manipulate, deathblow, and mime). Then talk to the huge yellow materia and select the first option. Then say yes to the materia blend and you will get the master command. Its very useful to have one on each person. Now you dont have to waste 7 slots on commands, only one!

Emerald Weapon- When you beat Emerald Weapon you get the Earth Harp. If you turn that in you get each of the master materia!!!!!!