Low Arcana
小アルカナ [o arukana] or 'small arcana' in Japanese.
Grimoire of the Rift

Buy: - (sell: 700 gil)
Use: Ragetsu-denbu, Maximillian, Empyreal Armband, Golden Armlet, Orb of Minwu
Reward: Wanted: Tonberrion x5 (once)
Type: Magicite, Rank: ★
Description: This gemstone contains the soul of a monster. Its shape and hue are truly unique.
Final Fantasy Tactics S

Buy: - (sell: 50 gil)
Use: Cards, Large Book
Obtain: Mechanic City Mogpeno/Magick Tower of Thamog, Magick Tower of Gumog, Duchy of Yug Nard/Baknamy Fortress
Description: A somewhat uncommon piece of magicite
Category: Item