Mineral Factbook

Anandite

BaFe2+3(Si3Fe3+)O10S(OH)IMA symbol: Anaapproved

Anandite is a silicate mineral with the formula BaFe2+3(Si3Fe3+)O10S(OH), crystallizing in the monoclinic system. It has a calculated density of 4.185 g/cm3.

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP n m n
Cell (Å, °)a = 5.439, b = 9.509, c = 19.878; α = 90, β = 90, γ = 90
Cell volume1028.08 ų, Z = 2
Axial ratios0.5720:1:2.0904calculated from COD 9000982
Source structureCOD 9000982 (American Mineralogist, 1985)

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.7133.0413.8453.4352.642.111
I/I₀10099.670.36261.148.2

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9000982; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)4.185 g/cm³calculated from COD 9000982

Classification

Nickel-Strunz (10th)9.EC.35Wikidata (CC0)
Nickel-Strunz (9th)9.EC.35Wikidata (CC0)