Horse: 4/9 crystals were Body Stamina
Hell Hound: 4/9 crystals were Body Strength
Mountain Gorilla: 3/4 crystals were Body Strength
Huge Spider: 3/4 crystals were Body Control
Mule crystals: 6/13 cystals were Soul Strength
Lava fiend 4/5 crystals were Weponless Fighting
Rooster: 4/6 crystals were Soul Strength
'''Additional Things:'''
-Rare/supreme crystals appear give the same minimum skill as a normal soul crystal from the same animal regardless of effective ql.
-Sleep bonus, your nutrition/water level, and faith do not appear to affect the amount of skill gained.