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Steinhardtite

A valid IMA mineral species

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Discuss Steinhardtite

Edit Steinhardtite Add Synonym Edit CIF structures Clear Cache

Paul J. Steinhardt

Formula:

Al_0.38Ni_0.32Fe_0.30

Specific Gravity:

5.52 (Calculated)

Crystal System:

Isometric

Member of:

Iron Group

Name:

Named in honor of Paul Joseph Steinhardt (25 December 1952, Washington, D.C., USA), Professor at the Department of Physics of Princeton University for his extraordinary and enthusiastic dedication to the study of the mineralogy of the Khatyrka meteorite. His work has covered a vast range of problems in particle physics, astrophysics, cosmology, and condensed matter physics. He coauthored the description of the first natural quasicrystal, icosahedrite from the Khatyrkite meteorite.

Type Locality:

ⓘ Khatyrka meteorite, Iomrautvaam massif, Anadyrsky District, Chukotka Autonomous Okrug, Russia

Dimorph of:

Native Aluminium

An allotrope of aluminium. Nickel and iron are essential elements.

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Unique IdentifiersHide

Mindat ID:

45989

Long-form identifier:

mindat:1:1:45989:5

IMA Classification of SteinhardtiteHide

IMA status:

Approved

IMA Formula:

Approval year:

2014

Classification of SteinhardtiteHide

Strunz-mindat (2026):

1.AA.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
Shd	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SteinhardtiteHide

Density:

5.52 g/cm³ (Calculated)

Chemistry of SteinhardtiteHide

Mindat Formula:

Al_0.38Ni_0.32Fe_0.30

Element Weights:

Element	% weight
Ni	41.019 %
Fe	36.589 %
Al	22.392 %

Calculated from ideal end-member formula.

Elements listed:

Al, Fe, Ni - search for minerals with similar chemistry

Crystallography of SteinhardtiteHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Space Group:

Im3m

Cell Parameters:

a = 3.0214(8) Å

Unit Cell V:

27.58 Å³

Comment:

SG Im-3m.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0020218	Steinhardtite	Vailionis A, Gamaly E G, Mizeikis V, Yang W, Rode A V, Juodkazis S (2011) Evidence of superdense aluminium synthesized by ultrafast microexplosion Nature Communications 2 445-6		2011	synthetic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Steinhardtite'
loop_
_publ_author_name
'Vailionis A'
'Gamaly E G'
'Mizeikis V'
'Yang W'
'Rode A V'
'Juodkazis S'
_journal_name_full 'Nature Communications'
_journal_volume 2 
_journal_year 2011
_journal_page_first 445
_journal_page_last 6
_publ_section_title
;
 Evidence of superdense aluminium synthesized by ultrafast microexplosion
;
_database_code_amcsd 0020218
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Al'
_cell_length_a 2.866
_cell_length_b 2.866
_cell_length_c 2.866
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 23.541
_exptl_crystal_density_diffrn      3.806
_symmetry_space_group_name_H-M 'I m -3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'z,-x,y'
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  '-y,z,-x'
  '1/2-y,1/2+z,1/2-x'
  'x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-z,x,-y'
  '1/2-z,1/2+x,1/2-y'
  'y,-z,x'
  '1/2+y,1/2-z,1/2+x'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  'x,-z,-y'
  '1/2+x,1/2-z,1/2-y'
  '-z,y,x'
  '1/2-z,1/2+y,1/2+x'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  '-x,z,y'
  '1/2-x,1/2+z,1/2+y'
  'z,-y,-x'
  '1/2+z,1/2-y,1/2-x'
  '-y,x,z'
  '1/2-y,1/2+x,1/2+z'
  'x,z,y'
  '1/2+x,1/2+z,1/2+y'
  '-z,-y,-x'
  '1/2-z,1/2-y,1/2-x'
  'y,x,z'
  '1/2+y,1/2+x,1/2+z'
  '-x,-z,-y'
  '1/2-x,1/2-z,1/2-y'
  'z,y,x'
  '1/2+z,1/2+y,1/2+x'
  '-y,-x,-z'
  '1/2-y,1/2-x,1/2-z'
  'z,x,-y'
  '1/2+z,1/2+x,1/2-y'
  '-y,-z,x'
  '1/2-y,1/2-z,1/2+x'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-z,-x,y'
  '1/2-z,1/2-x,1/2+y'
  'y,z,-x'
  '1/2+y,1/2+z,1/2-x'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-z,x,y'
  '1/2-z,1/2+x,1/2+y'
  'y,-z,-x'
  '1/2+y,1/2-z,1/2-x'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'z,-x,-y'
  '1/2+z,1/2-x,1/2-y'
  '-y,z,x'
  '1/2-y,1/2+z,1/2+x'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,z,-y'
  '1/2-x,1/2+z,1/2-y'
  'z,-y,x'
  '1/2+z,1/2-y,1/2+x'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  'x,-z,y'
  '1/2+x,1/2-z,1/2+y'
  '-z,y,-x'
  '1/2-z,1/2+y,1/2-x'
  'y,-x,z'
  '1/2+y,1/2-x,1/2+z'
  '-x,-z,y'
  '1/2-x,1/2-z,1/2+y'
  'z,y,-x'
  '1/2+z,1/2+y,1/2-x'
  '-y,-x,z'
  '1/2-y,1/2-x,1/2+z'
  'x,z,-y'
  '1/2+x,1/2+z,1/2-y'
  '-z,-y,x'
  '1/2-z,1/2-y,1/2+x'
  'y,x,-z'
  '1/2+y,1/2+x,1/2-z'
  '-z,-x,-y'
  '1/2-z,1/2-x,1/2-y'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  '-y,-z,-x'
  '1/2-y,1/2-z,1/2-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Al   0.00000   0.00000   0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.136 Å	(100)
1.510 Å	(14)
1.233 Å	(25)
1.068 Å	(8)
0.955 Å	(12)
0.872 Å	(4)
0.807 Å	(32)

Locality:

Khatyrka meteorite, Iomrautvaam massif, Anadyrsky District, Chukotka Autonomous Okrug, Russia

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 2: Planetesimal differentiation and alteration	4.566-4.550
6 : Secondary asteroid phases	4.566-4.560

Type Occurrence of SteinhardtiteHide

Type Locality:

ⓘ Khatyrka meteorite, Iomrautvaam massif, Anadyrsky District, Chukotka Autonomous Okrug, Russia

General Appearance of Type Material:

Rare crystals up to ~10 μm across in meteoritic fragments

Place of Conservation of Type Material:

Type material is deposited in the mineralogical collection of the Museo di Storia Naturale, Sezione di Mineralogia eitologia, Universita` di Firenze, Via La Pira 4, I-50121, Firenze (Italy), catalogue number 3142/I

Associated Minerals at Type Locality:

Ahrensite	Clinoenstatite	Coesite	Cupalite	Diopside
Forsterite	Icosahedrite	Khatyrkite	Magnetite	Nepheline
Pentlandite	Stishovite	Taenite	Trevorite	Troilite

Synonyms of SteinhardtiteHide

IMA2014-036

Other Language Names for SteinhardtiteHide

Dutch:Steinhardtiet

German:Steinhardtit

Relationship of Steinhardtite to other SpeciesHide

Member of:

Iron Group

Other Members of Iron Group:

Native Iron	Fe	Iso. m3m(4/m32/m) : Im3m
Native Vanadium	V	Iso. m3m(4/m32/m) : Im3m
Taenite	(Ni,Fe)	Iso. m3m(4/m32/m) : Fm3m
Tetrataenite	FeNi	Tet. 4/mmm(4/m2/m2/m) : P4/mmm

Related Minerals - Strunz-mindat Grouping Hide

1.AA.	Jonlarsenite	Al₄Cu₉	Iso. 43m : P43m
1.AA.	Pratesiite	AgCuTe₂	Orth. mm2 : Pmm2
1.AA.05	Native Lead	Pb	Iso. m3m(4/m32/m) : Fm3m
1.AA.05a	Auricupride Subgroup
1.AA.05	Native Nickel	Ni	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Native Silver	Ag	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	'UM2004-08-E:AuCuPd'	Cu₂PdAu
1.AA.05	'UM1991-06-E:AuCu'	Au₃Cu
1.AA.05	Native Aluminium	Al	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Native Gold	Au	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Native Copper	Cu	Iso. m3m(4/m32/m) : Fm3m
1.AA.05	Copper Group
1.AA.10a	Cuproauride	Cu₃Au
1.AA.10b	Tetra-auricupride	AuCu	Tet. 4/mmm(4/m2/m2/m) : P4/mmm
1.AA.10a	Auricupride	Cu₃Au	Iso. m3m(4/m32/m) : Pm3m
1.AA.10	Nickel Group
1.AA.15	Anyuiite	AuPb₂	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
1.AA.15	Novodneprite	AuPb₃	Tet. 42m : I42m
1.AA.15	'UM1985-02-E:AlZn'	(Zn,Cu)Al₂
1.AA.15	Khatyrkite	(Cu,Zn)Al₂	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
1.AA.20	Cupalite	(Cu,Zn)Al	Orth.
1.AA.25	Hunchunite	Au₂Pb	Iso. m3m(4/m32/m)
1.AA.30	Stolperite	AlCu	Iso. m3m(4/m32/m) : Pm3m
1.AA.35	Hollisterite	Al₃Fe	Mon. 2/m : B2/m
1.AA.40	Icosahedrite	Al₆₃Cu₂₄Fe₁₃	Icos. 53m : Fm35
1.AA.45	Kryachkoite	(Al,Cu)₆(Fe,Cu)	Orth. mm2 : Cmc2₁
1.AA.50	Proxidecagonite	Al₃₄Ni₉Fe₂	Orth. mmm(2/m2/m2/m) : Pnma

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SteinhardtiteHide

mindat.org URL:

https://www.mindat.org/min-45989.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for SteinhardtiteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) New minerals and nomenclature modifications approved in 2014, CNMNC Newsletter No 21. Mineralogical Magazine, 78 (4) 797-804 doi:10.1180/minmag.2014.078.4.03

Bindi, L., Yao, N., Lin, C., Hollister, L. S., MacPherson, G. J., Poirier, G. R., Andronicos, C. L., Distler, V. V., Eddy, M. P., Kostin, A., Kryachko, V., Steinhardt, W. M., Yudovskaya, M. (2014) Steinhardtite, a new body-centered-cubic allotropic form of aluminum from the Khatyrka CV3 carbonaceous chondrite. American Mineralogist, 99 (11) 2433-2436 doi:10.2138/am-2014-5108

www.physics.princeton.edu (n.d.) http://www.physics.princeton.edu/~steinh/STEINHARDTITE%20LETTER.pdf

(2017) Steinhardtite. Handbook of Mineralogy. Mineralogical Society of America

Localities for SteinhardtiteHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Russia (TL)

Chukotka Autonomous Okrug

Anadyrsky District

Iomrautvaam massif

ⓘ Khatyrka meteorite (TL)

Bindi et al. (2014) +2 other references

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Steinhardtite

Unique IdentifiersHide

IMA Classification of SteinhardtiteHide

Classification of SteinhardtiteHide

Mineral SymbolsHide

Physical Properties of SteinhardtiteHide

Chemistry of SteinhardtiteHide

Crystallography of SteinhardtiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of SteinhardtiteHide

Synonyms of SteinhardtiteHide

Other Language Names for SteinhardtiteHide

Relationship of Steinhardtite to other SpeciesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for SteinhardtiteHide

References for SteinhardtiteHide

Localities for SteinhardtiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide