Cohenite CFe3 IMA symbol: Coh grandfathered
Cohenite is a native element or alloy mineral with the formula CFe3, crystallizing in the orthorhombic system. It has a calculated density of 7.697 g/cm3.
Photos Sharygin, V.V.; Ripp, G.S.; Yakovlev, G.A.; Seryotkin, Y.V.; Karmanov, N.S.; Izbrodin, I.A.; Grokhovsky, V.I.; Khromova, E.A. · CC BY 4.0 · Commons Sharygin, V.V.; Ripp, G.S.; Yakovlev, G.A.; Seryotkin, Y.V.; Karmanov, N.S.; Izbrodin, I.A.; Grokhovsky, V.I.; Khromova, E.A. · CC BY 4.0 · Commons Crystallography Crystal system orthorhombic crystal systemWikidata (CC0) Space group P n m a Cell (Å, °) a = 5.081, b = 6.754, c = 4.515; α = 90, β = 90, γ = 90 Cell volume 154.942 ų, Z = 4 Axial ratios 0.7523:1:0.6685calculated from COD 9014027 Source structure COD 9014027 (Journal of Applied Crystallography, 2004) — 1 of 44 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 2.015 2.03 2.104 2.063 1.973 1.852 I/I₀ 100 70.6 58.5 58.2 48.9 48.6
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9014027; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 7.697 g/cm³calculated from COD 9014027
Chemistry (calculated) Molecular weight 179.55 g/molcalculated from the IMA formula Composition (wt%) C 6.69%, Fe 93.31%
Classification Nickel-Strunz (10th) 1.BA.05Wikidata (CC0) Nickel-Strunz (9th) 1.BA.05Wikidata (CC0)
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