Were you looking for Northrend orange gems?

Orange Gems fit both red and yellow sockets. Some of the bonuses provided by orange gems are:

Orange
Strength	Critical	Inscribed
Spell Power	Critical	Potent
Spell Power	Spell Hit Rating	Veiled
Agility	Hit Rating	Glinting
Attack Power	Critical	Wicked
Healing	Intellect	Luminous

The following gems can be cut into orange gems:

• [Flame Spessarite]
• [Noble Topaz]
• [Pyrestone]

Fire Opals also drop from bosses in certain heroic instances.

Orange, match yellow or red sockets.
Gem	Effects		Source	Gem	Effects		Source
[Inscribed Flame Spessarite]	+3 Strength	+3 Critical Strike Rating	Tatiana/Kalaen	[Glinting Flame Spessarite]	+3 Agility	+3 Hit Rating	Tatiana/Kalaen
[Inscribed Noble Topaz]	+4 Strength	+4 Critical Strike Rating	World Drop	[Glinting Noble Topaz]	+4 Agility	+4 Hit Rating	World Drop
[Inscribed Pyrestone]	+5 Strength	+5 Critical Strike Rating	Scale of the Sands Shattered Sun Offensive	[Glinting Fire Opal]	+5 Agility	+4 Hit Rating	Opening the Dark Portal
[Enscribed Fire Opal]	+5 Strength	+4 Critical Strike Rating	Mana-Tombs	[Glinting Pyrestone]	+5 Agility	+5 Hit Rating	Scale of the Sands Shattered Sun Offensive
Gem	Effects		Source	Gem	Effects		Source
[Potent Flame Spessarite]	+4 Spell Power	+3 Critical Strike Rating	Lower City	[Wicked Flame Spessarite]	+6 Attack Power	+3 Critical Strike Rating	Ogri'la elites
[Potent Noble Topaz]	+5 Spell Power	+4 Critical Strike Rating	World Drop	[Unstable Citrine]	+8 Attack Power	+4 Critical Strike Rating	Vendor
[Potent Fire Opal]	+6 Spell Power	+4 Critical Strike Rating	Auchenai Crypts	[Wicked Noble Topaz]	+8 Attack Power	+4 Critical Strike Rating	World Drop
[Potent Ornate Topaz]	+6 Spell Power	+5 Critical Strike Rating	Master Sergeant Biggins Brave Stonehide	[Deadly Fire Opal]	+8 Attack Power	+5 Critical Strike Rating	Arcatraz
[Potent Pyrestone]	+6 Spell Power	+5 Critical Strike Rating	Scale of the Sands Shattered Sun Offensive	[Inscribed Ornate Topaz]	+10 Attack Power	+5 Critical Strike Rating	Master Sergeant Biggins Brave Stonehide
				[Wicked Pyrestone]	+10 Attack Power	+5 Critical Strike Rating	Scale of the Sands Shattered Sun Offensive
Gem	Effects		Source	Gem	Effects		Source
[Veiled Flame Spessarite]	+4 Spell Power	+3 Hit Rating	Ogri'la elites	[Luminous Flame Spessarite]	+4 Spell Power	+3 Intellect	Consortium
[Veiled Noble Topaz]	+5 Spell Power	+4 Hit Rating	World Drop	[Luminous Noble Topaz]	+5 Spell Power	+4 Intellect	World Drop
[Shining Fire Opal]	+6 Spell Power	+5 Hit Rating	Mechanar	[Luminous Fire Opal]	+6 Spell Power	+4 Intellect	Shattered Halls
[Veiled Pyrestone]	+6 Spell Power	+5 Hit Rating	Scale of the Sands Shattered Sun Offensive	[Luminous Pyrestone]	+6 Spell Power	+5 Intellect	Scale of the Sands Shattered Sun Offensive
Gem	Effects		Source	Gem	Effects		Source
[Reckless Noble Topaz]	+5 Spell Power	+4 Haste	Shattered Sun Offensive	[Unstable Topaz]	+5 Spell Power	+4 Intellect	Aether-tech Adept
[Reckless Pyrestone]	+6 Spell Power	+5 Haste	Scale of the Sands Shattered Sun Offensive	[Infused Fire Opal]	+6 Spell Power	+4 Intellect	Steamvault
[Mysterious Fire Opal]	+6 Spell Power	+5 Spell Penetration	Botanica	[Durable Fire Opal]	+6 Spell Power	+4 Resilience Rating	Arcatraz
				[Iridescent Fire Opal]	+6 Spell Power	+4 Critical Strike Rating	Hellfire Ramparts
Gem	Effects		Source	Gem	Effects		Source
[Beaming Fire Opal]	+5 Dodge Rating	+4 Resilience Rating	Blood Furnace	[Glistening Fire Opal]	+4 Agility	+5 Defense Rating	Mana-Tombs
[Nimble Fire Opal]	+5 Dodge Rating	+4 Hit Rating	Arcatraz	[Pristine Fire Opal]	+10 Attack Power	+4 Hit Rating	Sethekk Halls
[Stalwart Fire Opal]	+4 Dodge Rating	+5 Defense Rating	Sethekk Halls	[Empowered Fire Opal]	+8 Attack Power	+5 Resilience Rating	Escape from Durnholde Keep
[Assassin's Fire Opal]	+5 Dodge Rating	+6 Critical Rating	Mechanar	[Resplendent Fire Opal]	+5 Strength	+4 Resilience Rating	Slave Pens
[Glimmering Fire Opal]	+5 Parry Rating	+4 Defense Rating	Opening the Dark Portal	[Etched Fire Opal]	+5 Strength	+4 Hit Rating	Shadow Labyrinth
[Splendid Fire Opal]	+5 Parry Rating	+4 Resilience Rating	Underbog	[Champion's Fire Opal]	+5 Strength	+4 Defense Rating	Auchenai Crypts