The little bit of reading I have done on the species does not suggest it's terrestrial, or even semi-terrestrial. It may very well be living on rocks covered with vegetative detritus, but can also be found growing epiphytically.
I don't know how well this would translate to your conditions, but I find that if I have an "unknown culture" plant, I usually start with a shallow pot of loose sphagnum- it's moist enough to supply the plant, but open and airy enough to not suffocate it.
Good luck! That looks like a great species to have.