The phrase "albeit mainly" is correct and usable in written English.
It can be used to introduce a concession or qualification, indicating that something is true to a certain extent, but with a specific limitation.
Example: "The project was successful, albeit mainly due to the team's hard work and dedication."
Alternatives: "although primarily" or "even if mostly".
The rapid proliferation of mHealth projects—albeit mainly pilot efforts—has generated considerable enthusiasm among governments, donors, and implementers of health programs.
Then, in case that feels a queasy prospect, add in the need to wind down the massive over-borrowing by British families, albeit mainly on mortgages.
FIS has played a part in transforming snowboarding from a niche pastime into an Olympic-worthy pursuit, albeit mainly during the games themselves.
It must be right that youngsters realise people over the age of 35 go to see music (albeit mainly Kate Bush, Dexy's Midnight Runners, Dylan), have creaky sex, go rollerskating*.
But financial stocks were among the larger casualties yesterday as analysts fretted about the seemingly irrepressible spending of the nation's consumers and a second consecutive sizable monthly rise in producer prices, albeit mainly from oil.
Why, after all these years of calling, have you not appeared?" Unlike Ajax, Philoctetes was saved, after nine years of suffering, albeit mainly because his skills as an archer were needed for war.
Albeit ghrelin mainly is produced in the gastrointestinal tract [ 6] the possibility that circulating ghrelin reaches brain reward areas should be considered.
Albeit preliminary and mainly based on gene expression patterns, these results provide compelling preliminary data suggesting that snoRNAs may be involved in metastatic progression, not unlike the better characterized miRNAs and lncRNAs.
Honduras remained stable, albeit under mainly military rule, until 1982, but has been condemned to poverty by difficult geography and poor soil.
Being a Remainer during the referendum, albeit a mainly invisible one, she needed to reassure her party that she will deliver, which is why she keeps saying: "Brexit means Brexit".
But after four decades of Araki's prolific output, continual growth and exploration -- albeit focused mainly on nudes, flowers, his cat and mournful skies -- few critics in Japan dispute the artist's appraisal of himself as Tensai Araki, or Araki the Genius.
