Wairauite
Wairauite is an IMA-recognized mineral species in the native element class, with the chemical formula CoFe.
It crystallizes in the cubic crystal system (space group Pm-3m). It is a member of the Iron structural group.
Key properties: Mohs hardness 4.5; specific gravity 8.32; Metallic. R: n.d luster.
IMA symbol Wra, IMA status: approved, named in 1964.
Found in a dominantly lizardite serpentine at the western contact of an ultramafic intrusion; thought to have formed under low-sulfur reducing conditions during the serpentinization process (Wairau Valley, New Zealand).
It is found associated with Chromite, magnetite, awaruite, copper (Wairau Valley, New Zealand).
The name refers to the Wairau Valley locality in New Zealand.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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