According to the Ore changes post Ore etc changes , this is what SHOULD be on these planets:
Alnitans - Chill world with lots of Sapphires, and a few Topaz
Serpensarindi - Blast world with lots of Diamonds, and a few Ruby
Besevronia- (If Toxic) - Lots of Emerald, few Amethyst
(If Corrosive) - Lots of Amethyst, few Emeralds