Home Trona
V - Carbonates		 Crystal habit of Trona
 
Name   Trona
Chemistry   Na3H[CO3]2·2H2O
Hardness   2,5
Lustre   vitreous
Colour   colourless, grey white, greyish, yellowish, yellowish-white
Streak   white 
Density [g/cm3]   2.1 - 2.2
Crystal habit   monoclinic, crystals prismatic, tabular, often massive, fibrous, columnar
Cleavage, Fracture   [100] perfect, [111], [001] indistinct, fracture conchoidal to uneven
other characteristics and occurrences   formation in non-marine evaporite deposits
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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