Crystal Gem CS: 
Name: Citrine
Main Appearance: Citrine is yellow, (though a lighter shade than Topaz), 6'1", and extremely skinny. His gem is on top of his head.
Weapon: Crossbow
Personality: Citrine is extremely intelligent, and fairly arrogant as a result. He tends to make the team's plans, but gets easily frustrated when someone doesn't understand or follow the plan. He also tends to view Topaz as an annoyance, and the two feud often.