Ore prices fluctuate based on the market in game and can be determined via news article or traders. Also there is a 50% taxation on all Martian minerals sold which can be reduced or negated through backgrounds and perks. The usual cut from selling them to a trader is about 25% based on standard prices and may also fluctuate depending on your IC standing with the merchant you are trading with. Earth prices vary and shipping ore to and from earth can be quite lucrative.
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Uranium Low Grade - U.231V1: 250c
Uranium Mid Grade - U.231V2: 300c
Uranium High Grade - U.231V3: 350c
Platinum Low Grade - P.PT78V1: 100c
Platinum Mid Grade - P.PT78V2: 150c
Platinum High Grade - P.PT78V3: 200c
Erynium Low Grade - E.118V1: 500c
Erynium Mid Grade - E.118V2: 600c
Erynium High Grade - E.118V3: 700c
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Gold Low Grade - G.AU79V1: 60c
Gold Mid Grade - G.AU79V2: 80c
Gold High Grade - G.AU79V3: 100c
Gemstone Low Grade - G.AL203V1: 30c
Gemstone Mid Grade - G.AL203V2: 40c
Gemstone High Grade - G.AL203V3: 50c
Silver Low Grade - S.AG47V1: 10c
Silver Mid Grade - S.AG47V2: 20c
Silver High Grade - S.AG47V3: 30c
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Copper Low Grade - C.CU29V1: 5c
Copper Mid Grade - C.CU29V2: 10c
Copper High Grade - C.CU29V3: 15c
Ice Low Grade - I.CO2V1: 10c
Ice Mid Grade - I.CO2V2: 15c
Ice High Grade - I.CO2V3: 20c