Akaganeite (Fe3 +,Ni2 +)8 (OH,O)16 Cl1.25 ·nH2 O IMA symbol: Akg renamed
Akaganeite is an oxide or hydroxide mineral with the formula (Fe3+,Ni2+)8(OH,O)16Cl1.25·nH2O, crystallizing in the monoclinic system. It has a calculated density of 3.797 g/cm3.
Crystallography Crystal system monoclinic crystal systemWikidata (CC0) Space group I 1 2/m 1 Cell (Å, °) a = 10.587, b = 3.0311, c = 10.515; α = 90, β = 90.03, γ = 90 Cell volume 337.429 ų, Z = 4 Axial ratios 3.4928:1:3.4690calculated from COD 9002990 Source structure COD 9002990 (American Mineralogist, 2003) — 1 of 2 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 7.463 3.328 3.345 7.459 2.549 5.257 I/I₀ 100 97.1 92.9 84.6 62.3 61.5
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9002990; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 3.797 g/cm³calculated from COD 9002990
Classification Nickel-Strunz (10th) 4.DK.05Wikidata (CC0) Nickel-Strunz (9th) 4.DK.05Wikidata (CC0)
