Elbrusite
Elbrusite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Ca₃(U⁶⁺₀.₅Zr₁.₅)(Fe³⁺O₄)₃.
It crystallizes in the cubic crystal system (space group Ia-3d). It is a member of the Garnet structural group.
Key properties: specific gravity 4.801; Brown streak; Vitreous to dull, resinous luster.
IMA symbol Ebs, IMA status: approved, named in 2009.
Found in spurrite zones in skarn developed in xenoliths in ignimbrite.
It is found associated with Spurrite, rondorfite, wadalite, kimzeyite, perovskite, lakargiite, ellestadite-(OH), hillebrandite, afwillite, hydrocalumite, ettringite group minerals.
The name refers to the highest peak in Europe, Mt. Elbrus (5642 m), Northern Caucasus, Russia.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more E minerals or help write this entry.