Were you looking for Northrend blue gems?

Blue Gems provide the following bonuses:

Blue
Mana per 5 Seconds	Lustrous
Spell Penetration	Stormy
Spirit	Sparkling
Stamina	Solid

The following gems can be cut into blue socket gems:

• [Azure Moonstone]
• [Star of Elune]
• [Empyrean Sapphire]

Blue, match blue sockets.
Gem	Effects		Source	Gem	Effects		Source
[Solid Zircon]	+6 Stamina		Vendor	[Sparkling Zircon]	+4 Spirit		Vendor
[Solid Azure Moonstone]	+9 Stamina		Tatiana/Kalaen	[Sparkling Azure Moonstone]	+6 Spirit		Tatiana/Kalaen
[Solid Star of Elune]	+12 Stamina		World Drop	[Sparkling Star of Elune]	+8 Spirit		World Drop
[Eye of the Sea]	+15 Stamina		Bag of Fishing Treasures (Terokkar Forest)	[Sparkling Empyrean Sapphire]	+10 Spirit		Scale of the Sands Shattered Sun Offensive
[Solid Empyrean Sapphire]	+15 Stamina		Scale of the Sands Shattered Sun Offensive
[Charmed Amani Jewel]	+15 Stamina		[70] Playin' With Dolls
[Falling Star]	+18 Stamina		Lower City
Gem	Effects		Source	Gem	Effects		Source
[Lustrous Zircon]	+1 Mana every 5 sec		Vendor	[Stormy Azure Moonstone]	+8 Spell Penetration		World Drop
[Lustrous Azure Moonstone]	+2 Mana every 5 sec		Consortium	[Stormy Star of Elune]	+10 Spell Penetration		World Drop
[Lustrous Star of Elune]	+3 Mana every 5 sec		World Drop	[Stormy Empyrean Sapphire]	+13 Spell Penetration		Scale of the Sands Shattered Sun Offensive
[Lustrous Empyrean Sapphire]	+4 Mana every 5 sec		Scale of the Sands Shattered Sun Offensive