Some tips and explanations for crafting (these may be a little dated, but still some useful info):
http://ffxiv.gamerescape.com/wiki/Guide:Advanced_Crafting_Tips_by_Qinsakurahttp://ffxiv.gamerescape.com/wiki/Guide:Crafting_Attire_by_LilyheartSome of it dated but helpful charts, especially for beginners; includes explanation of what the colors of the orb means:
http://ffxiv.gamerescape.com/wiki/Guide:Crafting_Basics_by_Qinsakura