From WoWWiki

Bonuses for Resilience can only be obtained through Yellow gems, Orange gems and Green gems.

Color	Name	Effect(s)		Source
Yellow	[Mystic Lionseye]	+10 Resilience		C
	[Sublime Mystic Dawnstone]	+10 Resilience		Vp
	[Mystic Dawnstone]	+8 Resilience		C
Orange	[Beaming Fire Opal]	+4 Resilience	+5 Dodge	D
	[Durable Fire Opal]	+4 Resilience	+11 Healing	D
	[Empowered Fire Opal]	+5 Resilience	+8 Attack Power	D
	[Resplendent Fire Opal]	+4 Resilience	+5 Strength	D
	[Splendid Fire Opal]	+4 Resilience	+5 Parry	D
Green	[Steady Chrysoprase]	+5 Resilience	+6 Stamina	D
	[Steady Talasite]	+4 Resilience	+6 Stamina	C