Bonuses for Spirit can only be obtained through Blue gems, Green gems and Purple gems.

Color	Name	Effect(s)		Source
Blue	[Sparkling Zircon]	+4 Spirit		Vendor
	[Sparkling Azure Moonstone]	+6 Spirit		Design (sold by vendor)
	[Sparkling Star of Elune]	+8 Spirit		Design, World Drop
	[Sparkling Empyrean Sapphire]	+10 Spirit		Design, Rep vendor
	[Sparkling Falling Star]	+12 Spirit		Not Available
Green	[Seer's Chrysoprase]	+5 Spirit	+4 Intellect	Heroic Drop
Purple	[Purified Jaggal Pearl]	+3 Spirit	+7 Healing	Trainer
	[Unstable Sapphire]	+4 Spirit	+9 Healing	Vendor
	[Purified Shadow Pearl]	+4 Spirit	+9 Healing	Trainer
	[Imperial Tanzanite]	+5 Spirit	+9 Healing	Multi-Heroic Drop
	[Fluorescent Tanzanite]	+4 Spirit	+6 Spell Damage	Multi-Heroic Drop