Queensland's premier has come out swinging in the latest round of a heavyweight bout with the mining sector over coal royalties.

An expert has also weighed in, saying other factors are landing more telling blows on the Sunshine State's miners rather than royalties.

Premier David Crisafulli on Tuesday appeared to take aim at BHP Mitsubishi Alliance and the like in his first State of the State address in Brisbane, following a string of mining job losses.

The joint venture company had highlighted the government's "unsustainable" scheme when it cut 750 jobs last week, claiming the state coal industry was reaching "crisis point".

Fellow giant Anglo American and Queensland company QCoal soon followed in what was labelled a co-ordinated campaign resulting in more than 1200 workers facing the

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