Shortite Na2 Ca2 (CO3 )3 IMA symbol: Sot grandfathered
Shortite is a carbonate or nitrate mineral with the formula Na2Ca2(CO3)3, crystallizing in the orthorhombic system. It has a calculated density of 2.621 g/cm3.
Crystallography Crystal system orthorhombic crystal systemWikidata (CC0) Space group A m m 2 Cell (Å, °) a = 4.947, b = 11.032, c = 7.108; α = 90, β = 90, γ = 90 Cell volume 387.921 ų, Z = 2 Axial ratios 0.4484:1:0.6443calculated from COD 9009888 Source structure COD 9009888 (Journal of Research of the National Bureau of Standards - Physics and Chemistry, 1971)
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 2.557 4.947 5.516 2.474 3.81 2.179 I/I₀ 100 58.7 49.7 48.7 44.6 40.1
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9009888; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 2.621 g/cm³calculated from COD 9009888
Chemistry (calculated) Molecular weight 306.16 g/molcalculated from the IMA formula Composition (wt%) Na 15.02%, Ca 26.18%, C 11.77%, O 47.03%
Classification Nickel-Strunz (10th) 5.AC.25Wikidata (CC0) Nickel-Strunz (9th) 5.AC.25Wikidata (CC0)
