Windgod Crystal
風神晶 [fuujin shou] or 'wind god crystal' in Japanese.
Grimoire of the Rift

Buy: - (sell: 3,000 gil)
Use: Windsong Rapier, Morning Star, Feathered Boots, Galmia Shoes
Reward: Strong Lady (once), Show of Strength x3 (once)
Type: Magicite, Rank: ★★★
Description: Legend says that a great spirit of the wind lies trapped inside this crystal. Put your ear to it, and you will hear the howling of an endless gale.
Final Fantasy Tactics S

Buy: - (sell: 500 gil)
Use: ?
Obtain: Bahno Region/Sundered Rocks of Nigna lv60+
Description: A very uncommon piece of magicite
Category: Item