Allabogdanite

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Allabogdanite
General
Category Phosphide mineral
Formula
(repeating unit)
(Fe,Ni)2P
Strunz classification 01.BD.15
Crystal symmetry Orthorhombic dipyramidal
H-M symbol: (2/m 2/m 2/m)
Space group: P nma
Unit cell a = 5.748 Å, b = 3.548 Å, c = 6.661 Å; Z = 4
Identification
Color Light straw-yellow
Crystal habit Minute exolution laminae in plessite
Crystal system Orthorhombic
Tenacity Brittle
Mohs scale hardness 5-6
Luster Metallic
Diaphaneity Opaque
Specific gravity 7.11
References [1][2]

Allabogdanite is a very rare phosphide mineral with formula (Fe,Ni)2P, found in 1997 in a meteorite.[3][1] It was described for an occurrence in the Onello meteorite in the Onello River basin, Sakha Republic; Yakutia, Russia; associated with taenite, schreibersite, kamacite, graphite and awaruite.[1] It was named for Russian geologist Alla Bogdanova.[2]

See also[edit]

References[edit]

  1. ^ a b c Mindat
  2. ^ a b Webmineral data
  3. ^ Britvin S. N., Rudashevsky N. S., Krivovichev S. V., Burns P. C. and Polekhovsky Y. S. 2002: Allabogdanite, (Fe,Ni)2P, a new mineral from the Onello meteorite: The occurrence and crystal structure. American Mineralogist, 87(8-9), 1245-1249 - [1]