Bonuses for Strength can only be obtained through Red gems, Orange gems and Purple gems.

Color	Name	Effect(s)
Red	[Bold Tourmaline]	+4 Strength
	[Bold Blood Garnet]	+6 Strength
	[Bold Living Ruby]	+8 Strength
	[Don Amancio's Heart]	+8 Strength
	[Don Rodrigo's Heart]	+8 Strength
	[Bold Crimson Spinel]	+10 Strength
	[Bold Bloodstone]	+12 Strength
	[Perfect Bold Bloodstone]	+14 Strength
	[Bold Scarlet Ruby]	+16 Strength
	[Bold Cardinal Ruby]	+20 Strength
	[Bold Dragon's Eye]	+34 Strength
Orange	[Inscribed Flame Spessarite]	+3 Strength	+3 Crit Rating
	[Inscribed Noble Topaz]	+4 Strength	+4 Crit Rating
	[Inscribed Pyrestone]	+5 Strength	+5 Crit Rating
	[Inscribed Huge Citrine]	+6 Strength	+6 Crit Rating
	[Perfect Inscribed Huge Citrine]	+7 Strength	+7 Crit Rating
	[Etched Fire Opal]	+5 Strength	+4 Hit Rating
	[Etched Monarch Topaz]	+8 Strength	+8 Hit Rating
	[Champion's Fire Opal]	+5 Strength	+4 Defense Rating
	[Champion's Huge Citrine]	+6 Strength	+6 Defense Rating
	[Perfect Champion's Huge Citrine]	+7 Strength	+7 Defense Rating
	[Resplendent Fire Opal]	+5 Strength	+4 Resilience Rating
	[Resplendent Huge Citrine]	+6 Strength	+6 Resilience Rating
	[Resplendent Monarch Topaz]	+8 Strength	+8 Resilience Rating
	[Inscribed Ametrine]	+10 Strength	+10 Crit Rating
Purple	[Sovereign Shadow Draenite]	+3 Strength	+4 Stamina
	[Sovereign Nightseye]	+4 Strength	+6 Stamina
	[Sovereign Tanzanite]	+5 Strength	+6 Stamina
	[Sovereign Shadowsong Amethyst]	+5 Strength	+7 Stamina
	[Sovereign Shadow Crystal]	+6 Strength	+9 Stamina
	[Perfect Sovereign Shadow Crystal]	+7 Strength	+11 Stamina
	[Sovereign Twilight Opal]	+8 Strength	+12 Stamina
	[Sovereign Dreadstone]	+10 Strength	+15 Stamina