Mineral Factbook

Ferberite

Fe2+(WO4)IMA symbol: Febgrandfathered

Ferberite is an oxide or hydroxide mineral with the formula Fe2+(WO4), crystallizing in the monoclinic system. It has a Mohs hardness of 5, typically white in color, a calculated density of 7.467 g/cm3.

Photos

Ferberite specimen photo
Ivar Leidus · CC BY-SA 4.0 · Commons
Ferberite specimen photo
Reinhard Kraasch · CC BY-SA 4.0 · Commons
Ferberite specimen photo
Eric Polk · CC BY-SA 4.0 · Commons
Ferberite specimen photo
Darla Sondrol · CC0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 2/c 1
Cell (Å, °)a = 4.753, b = 5.72, c = 4.968; α = 90, β = 90.08, γ = 90
Cell volume135.066 ų, Z = 2
Axial ratios0.8309:1:0.8685calculated from COD 9000223
Source structureCOD 9000223 (American Mineralogist, 1971) — 1 of 3 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.9432.9464.7533.7513.6562.479
I/I₀10098.254.748.74530.7

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9000223; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)7.467 g/cm³calculated from COD 9000223
Hardness (Mohs)
5single sourceDana's System, 3rd Appendix (1915)
Color
whitesingle sourceDana's System, 3rd Appendix (1915)

Classification

Nickel-Strunz (10th)4.DB.30Wikidata (CC0)
Nickel-Strunz (9th)4.DB.30Wikidata (CC0)
Dana (8th)48.1.1.2Wikidata (CC0)