Since Bioxx said that fantasy will be more emphasized in TFC2, then let's start a thread about magic.
I will update OP when the topic is discussed more and points are made.
And here's my suggestion. I'll add yours, no worry.
1. Gemcraft-themed by Miner_239
v1.15
Gem Offense SupportEmerald Poison Heal AuraRuby Fire ??Amethyst Armor-breaking ShieldTopaz Mana-leeching ??Jasper Regen-halting RegenSapphire Ice/Slowing SpeedGarnet Chain hit RangeDiamond Piercing DamageOpal Poolbound ??Tourmaline Critical hit ??Agate Bloodbound ??Beryl Knockback Thornshield (attacker knocked back and damaged)New in v1.2 because there is no reason to not add more gems (4 slot empty on the metadata)Peridot Cloud Aura (puffs damaging cloud on impact) (special-flavored damaging aura)Quartz Sunshine Beam (stronger at day) (quicker shot, less stat)Onyx Multishot MultitargetingMoonstone Nightmare Armor (stronger at night)Per Darmo's gemcutting suggestion:Malachite Confusing Blunt (attacks each other) (converts to blunt damage)Obsidian Shattering Pierce (terraria's crystal bullet-like) (converts to point damage)
Wood G1-G3Stone G1-G5Copper G1-G7Silver G1-G13Bronze G2-G5Gold G2-G16Iron G3-G11Steel G5-G13
v1.20
2. Cave crystal and ley-lines (also dark magic) by Darmo