No no, it's a perfectly valid Lore question.
Part of the problem with using a "build a space station" Communty Goal is that the goals of such events were usually quite generic: "Deliver palladium, tantalum and robotics", and it was up to players to decide which ones to bring. On the basis of some past CGs, a Coriolis station is made of several million tonnes of almost-pure palladium!
A more realistic effort might be obtainable from analysing the quantities of materials needed to
repair the space stations that are damaged by Thargoids. Logically, it would take much more than these demands to actually build a space station from scratch. And equally logically, the differences in demanded materials from station to station indicate that (a) not every Coriolis is made up of exactly the same stuff inside (which is only to be expected, if some are mint-fresh new while others have been sitting there for a couple hundred years), and (b) that the actual damaged parts of space stations differ from station to station, even if the graphics for "damaged station" all look much the same.
I would suggest: pick some damaged Coriolis stations at random. Add up the requirements to repair those stations, and that would be a good rule-of-thumb estimate for how much cargo would be needed to build a Coriolis station from scratch.
I'll give it a go: picking four damaged Coriolis-class stations at random, in the following systems: Brib, HIP 9599, Lunguni and Ngaiawang.
First, we need an estimate of the mass of an intact Coriolis station. Collating the requirements for each of these and adding them together, we see total requirements requested varying, from 1.3 million tonnes to 2.5 million tonnes. Since most of the station is still physically intact and present on-site, this amount is only a small fraction of the total weight of the station. Let's assume a nice, even 10 million tonnes.
So, what's the breakdown of that 10 million tonnes, commodity-wise? Using the requirements of these four stations to generate an "average composition" of a Coriolis-class station, the numbers I calculate are something like in the table below.
Commodity | No. of tonnes | Unit | Cost |
| estimate | value/t | |
Beryllium | 1884693 | 8229 | 15509141157 |
Indium | 1466943 | 5774 | 8470127841 |
Gallium | 456321 | 5107 | 2330428903 |
Titanium | 231039 | 1106 | 255528970 |
Copper | 283812 | 489 | 138783983 |
Superconductors | 1313698 | 6662 | 8751854383 |
Power generators | 356591 | 536 | 191132683 |
Water purifiers | 209460 | 310 | 64932503 |
Computer components | 80803 | 540 | 43633465 |
Auto-fabricators | 130319 | 3719 | 484655820 |
Ceramic composites | 195797 | 227 | 44445807 |
CMM composites | 311633 | 5976 | 1862319323 |
Insulating membranes | 248714 | 10861 | 2701283751 |
Power converters | 194178 | 1254 | 243498729 |
Natural fabrics | 218993 | 440 | 96357023 |
Tantalum | 172556 | 3929 | 677971729 |
Lithium | 291219 | 1582 | 460708248 |
Aluminium | 177117 | 348 | 61636610 |
Synthetic fabrics | 224566 | 214 | 48057174 |
Polymers | 811006 | 181 | 146792029 |
Robotics | 68378 | 1830 | 125130889 |
Semiconductors | 339126 | 936 | 317421644 |
Emergency power cells | 248755 | 2221 | 552485134 |
Computer components | 84287 | 540 | 45514814 |
| | | |
Total | 10000000 | | 43623842612
|
So, on that basis, and using "galactic average price" for each commodity as shown above (which is what a 34th century insurer and debt collector is likely to use), the physical components of a Coriolis station alone cost aboout 43 billion credits. Then there's labour costs and other overheads; even considering reduced labour costs due to automation and/or slavery (depending on where you're building the station), I think 7 billion credits sounds reasonable, a number I plucked out of thin air to ensure that a nice round figure to build your own Coriolis station would be 50 billion credits.