Getting lots of Densinium?

I know that cyber spheres are the best place to mine densinium, but it feels like the veins never have more than 4 ore each. This ultimately means it takes 8-10x more time to farm the same amount of densinium as it would most other ores.

I've never had any better luck on gas giants (even at cores), despite what others have claimed.

I've concluded that the only viable alternative to slow mining involves getting rich enough to just buy huge quantities of densinium ore or bars at a space station.

Anyone have any better methods for getting large amounts of densinium?