Black crystal group of the extremely rare Mg-Mn-Fe phosphate mineral maghagendorfite from the type locality in South Dakota (Dike Lode, Keystone, Pennington County, South Dakota, United States of America). Ex Vandenbroucke Museum collection from Waregem, Belgium. — Photo: David Hospital · CC BY-SA 4.0
Maghagendorfite
Maghagendorfite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Na₂MgFe²⁺Fe³⁺(PO₄)₃.
It is a member of the Alluaudite structural group.
Key properties: Mohs hardness 4.5.
IMA symbol Mhag, IMA status: questionable, named in 1979.
Found in a complex zoned granite pegmatite.
It is found associated with Hagendorfite (Rapid Creek, Canada).
As the magnesium analog of hagendorfite.
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 M minerals or help write this entry.