1 to 300 Alchemy Guide
Credit Elzix, Cho'gall-US

Approximate material list:

Metals:
Copper Bar x 40
Bronze Bar x 80
Silver Bar x 60
Truesilver Bar x 50
Gold Bar x 40
Mithril Bar x 80
Thorium Bar x 185
Stone:
Rough Stone x 80
Heavy Stone x 80
Mageweave Cloth x 10
Runecloth x 33
Gems:
Tigerseye x 20
Moss Agate x 30
Citrine x 15
Aquamarine x 45
Star Ruby x 5
Large Opal x 20
Blue Sapphire x 40
Azerothian Diamond x 10
Huge Emerald x 20
Micsc:
Heart of the Wild x 40
Flask of Mojo x 60
Elemental Water x 20

Vendor Patterns Needed:

Pendant of the Agate Shield - Limited Supply Recipe sold in Freewind Post (Innkeeper) and Menethil Harbor (Neal Allen)

Level Item Materials
1 to 20 20 x Delicate Copper Wire (Save All) 40 x Copper Bar
20 to 30 10 x Rough Stone Statue 80 x Rough Stone
31 to 50 20 x Tigerseye Band 20 x Tigerseye
20 x Delicate Copper Wire
51 to 75 30 x Bronze Setting (Save All) 60 x Bronze Bar
75 to 80 5 x Solid Bronze Ring 20 x Bronze Bar
81 to 110 30 x Ring of Silver Might 60 x Silver Bar
111 to 120 10 x Heavy Stone Statue 80 x Heavy Stone
121 to 150 30 x Pendant of the Agate Shield 30 x Moss Agate
30 x Bronze Setting
151 to 180 30 x Mithril Filigree 60 x Mithril Bar
181 to 200 20 x Engraved Truesilver Ring 20 x Truesilver Bar
40 x Gold Bar
201 to 210 10 x Citrine Ring of Rapid Healing 10 x Citrine
20 x Elemental Water
20 x Mithril Bar
211 to 225 15 x Aquamarine Signet 45 x Aquamarine
60 x Flask of Mojo
226 to 250 50 x Thorium Setting (Keep 40) 150 x Thorium Bar
251 to 255 5 x Red Ring of Destruction 5 x Star Ruby
5 x Citrine
5 x Thorium Setting
256 to 265 10 x Truesilver Healing Ring 10 x Truesilver Bar
40 x Heart of the Wild
266 to 275 10 x Simple Opal Ring 20 x Large Opal
10 x Thorium Setting
20 x Thorium Bar
276 to 285 10 x Sapphire Signet 40 x Blue Sapphire
20 x Truesilver Bar
10 x Thorium Setting
286 to 290 5 x Glowing Thorium Band 10 x Azerothian Diamond
5 x Thorium Bar
5 x Thorium Setting
290 to 300 10 x Emerald Lion Ring 20 x Huge Emerald
10 x Thorium Bar
10 x Thorium Setting