Common:

ISOTOPES 1,175
CRYSTALS 1,175
ORGANICS 600
WATER 600
CHEMICALS 300
GASES 300
METAL 150

Rare:

ISOTOPES 2,300
CRYSTALS 4,600
ORGANICS 2,300
CHEMICALS 1,175
GASES 1,140
METAL 600

Exotic:

ISOTOPES 17,000
CRYSTALS 16,800
ORGANICS 8,400
CHEMICALS 4,600
GASES 4,600
METAL 2,300

For the rest of the good keep eveything throw away machine parts and ceramics and anything bellow 1,000 for best income growth!

Minning

Metal ore 120
Matereals 240
Raw gases/fuel 240
Ice 300
Fuel 600
Hydrocarbons 450
Radioactive 980
Crystalastroids 980

Prices do change deadening on how much is left on the demands don’t be surprise if there more or less. The best time to sell would at a shipyard that has only 5% tax so you get your money’s worth same with ore stop being independent your losing 10% of your money.
50T can get you 800-1.2 mill 70-80t 1.3-2mill and if you use bulkharder you can bring in 5 mill easily