Ammineite CuCl2 ·2 NH3 IMA symbol: Amm approved
Ammineite is a halide mineral with the formula CuCl2·2NH3, crystallizing in the orthorhombic system. It has a calculated density of 2.384 g/cm3. Its streak is light blue.
Crystallography Crystal system orthorhombic crystal systemWikidata (CC0) Space group C m c m Cell (Å, °) a = 7.688, b = 10.645, c = 5.736; α = 90, β = 90, γ = 90 Cell volume 469.427 ų, Z = 4 Axial ratios 0.7222:1:0.5388calculated from COD 9015768 Source structure COD 9015768 (The Canadian Mineralogist, 2010)
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 6.233 2.868 4.221 3.844 2.661 2.299 I/I₀ 100 64.3 61.5 50.5 38 27.5
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9015768; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 2.384 g/cm³calculated from COD 9015768 Streak light bluesingle source Wikidata (CC0)
Chemistry (calculated) Molecular weight 168.51 g/molcalculated from the IMA formula Composition (wt%) Cu 37.71%, Cl 42.08%, N 16.62%, H 3.59%
Classification Nickel-Strunz (10th) 3.C0.Wikidata (CC0)
