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Species / Phosphates / #0014

Achyrophanite

Phosphates orthorhombic #0014

Achyrophanite is a mineral species described as mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.

Formula (K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅
Strunz code 8.BF.30
Class Phosphates
Crystal system orthorhombic
Type locality Arsenatnaya fumarole
Named after
Streak
Achyrophanite specimen
Photo: I.V. Pekov and A.V. Kasatkin — CC BY 4.0 · Wikimedia Commons

Composition

Composition varies — this species has no single resolved formula.

Physical

Mohs
Density
g/cm³