Nitratine | |
Chemical Formula |
NaNO3 |
Species |
Nitrates |
Crystal System |
Trigonal |
Mohs Scale |
1-2 |
Color |
Colourless, white, lightly tinted by impurities (red-brown, grey, yellowish); colourless in transmitted light |
Luster |
Vitreous |
Refractive Index |
n = 1.330 - 1.336 n = 1.580 - 1.587 |
Diaphaneity |
Transparent |
Cleavage |
PerfectOn perfect; on and reported as imperfect. |
Fracture |
Conchoidal |
Crystal Habit:Crystals rhombohedral . Massive granular, incrustations. | |
Geological Setting:Surficial deposits in arid regions; efflorescences on soils, or in sheltered environments. |