Nitratine Na(NO3 ) IMA symbol: Ntt approved
Nitratine is a carbonate or nitrate mineral with the formula Na(NO3), crystallizing in the trigonal system. It has a calculated density of 2.258 g/cm3. Its streak is white.
Crystallography Crystal system trigonal crystal systemWikidata (CC0) Space group R -3 c :H Cell (Å, °) a = 5.0718, b = 5.0718, c = 16.8336; α = 90, β = 90, γ = 120 Cell volume 375.001 ų, Z = 6 Axial ratios 1.0000:1:3.3191calculated from COD 9009659 Source structure COD 9009659 (Journal of Applied Crystallography, 1989) — 1 of 16 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 3.039 2.311 1.898 2.806 1.881 2.536 I/I₀ 100 30.3 20.5 13.9 11.3 8.7
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9009659; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 2.258 g/cm³calculated from COD 9009659 Streak whitesingle source Wikidata (CC0)
Chemistry (calculated) Molecular weight 84.99 g/molcalculated from the IMA formula Composition (wt%) Na 27.05%, N 16.48%, O 56.47%
Classification Nickel-Strunz (10th) 5.NA.05Wikidata (CC0) Nickel-Strunz (9th) 5.NA.05Wikidata (CC0)
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