Schreibersite

schreibersite

cohenite

troilite

wustite

Images

Formula: (Fe,Ni)3P
Phosphide
Specific gravity: 7 to 7.3
Hardness: 6½ to 7
Streak: Dark grey
Colour: Silver-white to tin-white, tarnishes to brass yellow or brown
Common impurities: Cr
Environments

Volcanic igneous environments
Hydrothermal environments
Meteorites

Schreibersite occurs in nearly all iron meteorites, but is lacking in those that are nickel deficient; it is rare in stony meteorites. Associated minerals include iron variety kamacite, tetrataenite and troilite (HOM, Mindat). Schreibersite has been observed in lunar samples, possibly of meteoric origin (Dana).

Localities

At Kitdlît, Qeqertarsuaq Island, Qaasuitsup, Greenland, Denmark, schreibersite occurs in lenses in basalt, associated with iron, cohenite, troilite and wüstite (HOM ).

At an unspecified location in the Red sea, schreibersite has been found as a hydrothermal metasomatic replacement of mineralised wood at a depth of 1400 m (HOM, Mindat ).

The type locality is the Magura meteorite, Slanica, Námestovo, Námestovo District, Žilina Region, Slovakia.

Back to Minerals