Black crystal group of the extremely rare nitride mineral siderazot, from: Monte Somma, Vesuvius, Campania, Italy. Nitrides are very rare in Nature, only a few are known. — Photo: David Hospital · CC BY-SA 4.0
Siderazot
Siderazot is an IMA-recognized mineral species in the native element class, with the chemical formula Fe₃N₁.₃₃.
It crystallizes in the hexagonal crystal system (space group P312).
Key properties: specific gravity 3.147; Metallic luster.
IMA symbol Saz, IMA status: approved, named in 1876.
A volcanic sublimate on lava.
Its name comes from the Greek for iron, sideros, and nitrogen, azote, in reference to its composition.
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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