Allabogdanite

Allabogdanite is a very rare phosphide mineral with the chemical formula (Fe,Ni)₂P, found in 1994 in a meteorite.^[2][5] 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.^[2] It was named for Russian geologist Alla Bogdanova.^[3]

Allabogdanite
General
Category	Phosphide mineral
Formula	(Fe,Ni)2P
IMA symbol	Abg[1]
Strunz classification	1.BD.15
Crystal system	Orthorhombic
Crystal class	Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Space group	Pnma
Unit cell	a = 5.748, b = 3.548 c = 6.661 [Å]; Z = 4
Identification
Color	Light straw-yellow
Crystal habit	Minute exolution laminae in plessite
Tenacity	Brittle
Mohs scale hardness	5–6
Luster	Metallic
Diaphaneity	Opaque
Specific gravity	7.11
References	[2][3][4]

In a June 2021 study, scientists reported the discovery of terrestrial allabogdanite in a sedimentary formation. It is located in the Negev desert of Israel, just southwest of the Dead Sea.^[4]

See also

• Glossary of meteoritics
• List of minerals
• List of minerals named after people