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Sulfate

D'ansite-(Fe)

Na₂₁Fe(SO₄)₁₀Cl₃
Crystal systemCubic
ClassSulfate
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D'ansite-(Fe)

D'ansite-(Fe) is an IMA-recognized mineral species in the sulfate class, with the chemical formula Na₂₁Fe(SO₄)₁₀Cl₃.

It crystallizes in the cubic crystal system (space group I-43d). It is a member of the Dansite structural group.

Key properties: specific gravity 2.62; White streak; Vitreous luster.

IMA symbol D'an-Fe, IMA status: approved, named in 2011.

Occurs as encrustations on pyroclastic breccia in volcanic fumaroles; also reported as a secondary mineral (Solvenia).

It is found associated with Sassolite, adranosite (Italy); metasideronatrite-2M (Slovenia).

As the iron (Fe)-dominant analog of d’ansite.

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 D minerals or help write this entry.