Opposition Leader Tim Nicholls has plenty to say about the alleged "civil war" within Labor when it comes to Adani royalties.

But Mr Nicholls has not been entirely clear on whether the Liberal National Party would support a royalties concession or holiday.

Opposition Leader Tim Nicholls would not say whether he supported the Adani royalty holiday when asked on Wednesday. Credit:Glenn Hunt

Mr Nicholls said that was because he had not seen the details proposed under Labor.

"None of us know what is being offered in this case so how can we support anything that we don't have details of," he said.