Zimbabweite Na(Pb,Na,K)2 (Ta,Nb,Ti)4 As4 O18 IMA symbol: Zbb approved
Zimbabweite is an oxide or hydroxide mineral with the formula Na(Pb,Na,K)2(Ta,Nb,Ti)4As4O18, crystallizing in the orthorhombic system. It has a calculated density of 5.974 g/cm3.
Crystallography Crystal system orthorhombic crystal systemWikidata (CC0) Space group C c m b Cell (Å, °) a = 12.245, b = 15.287, c = 8.684; α = 90, β = 90, γ = 90 Cell volume 1625.55 ų, Z = 4 Axial ratios 0.8010:1:0.5681calculated from COD 9001177 Source structure COD 9001177 (American Mineralogist, 1988)
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 3.191 2.887 2.991 3.822 3.037 3.542 I/I₀ 100 80.3 73.9 50.5 47.7 45.1
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9001177; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 5.974 g/cm³calculated from COD 9001177
Classification Nickel-Strunz (10th) 4.JA.40Wikidata (CC0) Nickel-Strunz (9th) 4.JA.40Wikidata (CC0) Dana (8th) 8.7.10.1Wikidata (CC0)
