Specific gravity: 2.14
Colour: Colourless, grey, yellow-white
Solubility: Soluble in water; effervesces in acids
Evaporite Deposits (typical)
Trona occurs in lacustrine (lakes) evaporite deposits, and also as an efflorescence on soils in arid regions. It is
commonly associated with natron,
thénardite, mirabilite and
At Searles Lake, California, trona occurs with borax, hanksite, thénardite and others.
In Green River oil shales, Wyoming, trona occurs with shortite, northupite, bradleyite and pirssonite (Dana).
Back to Minerals