Summoner/Arcanist Physick doesn't scale with Intelligence but does scale with Mind.
This doesn't make sense as the class will never wear gear with mind after it reaches ARR 2.1+ content. Compared to Red Mage's Vercure which DOES scale with intelligence

Frequency:
Always

Character Name@Home World:
Tested with Madam Bidaum@Sargatanas

Retainer Name:
N/A

NPC Name:
N/A

Monster Name:
N/A

Class/Level:
All levels

Party or Solo:
Party and Solo

Race:
Race of your character when the issue occurred.
N/A

In-Game Time:
All Time

Area and Coordinates:
All Areas

Steps:
Remove all gear
Cast physick
Take not of value
Equip gear with intelligence AND no mind
Cast physick
Take not of same value within margin of low/high
Equip gear from ARR with intelligence AND mind (I.E level 45 vendor gear from Ishgard)
Cast physick
See amount Physick heals for is now a higher value.