Trona

[gastropod] Trona is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae, the cowries. Species within the genus Trona include: This genus is found in the Atlantic Ocean along the Cape Verde, Senegal and Angola. ...
Found on http://en.wikipedia.org/wiki/Trona_(gastropod)

Trona

• (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/trona/

trona

an evaporite mineral, hydrated sodium bicarbonate [Na3H(CO3)22H2O], occasionally encountered as a saline lake deposit or evaporation product and as ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/t/83

Trona

Trona is a naturally occurring hydrous sodium carbonate found in north Africa and America.
Found on http://www.probertencyclopaedia.com/browse/GT.HTM

Trona

Trona is a greyish, white, pale yellow or pale brown coloured mineral typically forming massive layers, first confirmed as a distinct species of mineral in 1773. Trona is a hydrated bicarbonate of sodium commonly found in deserts. Trona is used as a source of sodium. It has a relative hardness of 2.5 to 3.
Found on http://www.probertencyclopaedia.com/browse/HT.HTM

trona

Type: Term Pronunciation: trō′nă Definitions: 1. A native sodium carbonate.
Found on http://www.medilexicon.com/medicaldictionary.php?t=94161

Trona

Trona (trisodium hydrogendicarbonate dihydrate also sodium sesquicarbonate dihydrate); Na3(CO3)(HCO3)•2H2O 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. == Etymology == T...
Found on http://en.wikipedia.org/wiki/Trona
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