What is "trona"

Trona \Tro"na\, n. [Of Egyptian or North African origin.] (Chem. & Min.) A native double salt, consisting of a combination of neutral and acid sodium carbonate, Na2CO3.2HNaCO3.2H2O, occurring as a white crystalline fibrous deposit from certain soda brine springs and lakes; -- called also urao, and by the ancients nitrum.

n. (label en mineralogy) A saline evaporite, consisting of mixture of sodium carbonate and sodium bicarbonate, sodium₃hydrogencarbonoxygen₃CO₃'''·'''2water.

Trona (trisodium hydrogendicarbonate di hydrate also sodium sesquicarbonate dihydrate, NaCO•NaHCO•2HO is a non- marine evaporite mineral. It is mined as the primary source of sodium carbonate in the United States, where it has replaced the Solvay process used in most of the rest of the world for sodium carbonate production.

Trona is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae, the cowries.

Trona is a carbonate mineral.

Trona may also refer to:

in California:

• Trona, Inyo County, California
• Trona, San Bernardino County, California

in science:

• Trona (gastropod), a genus of sea snails in the cowrie family