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Durangite-Maxwellite Series

A solid-solution series between two end-member minerals

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Photos of Durangite-Maxwellite Series (142)Discuss Durangite-Maxwellite Series

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Edit Durangite-Maxwellite Series Add Synonym Edit CIF structures Clear Cache

Maxwellite

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

Maxwellite, etc.

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

Durangite

Barranca Mine, Coneto de Comonfort, Coneto de Comonfort Municipality, Durango, Mexico

Maxwellite

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

Maxwellite, etc.

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

Durangite

Barranca Mine, Coneto de Comonfort, Coneto de Comonfort Municipality, Durango, Mexico

Maxwellite

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

Maxwellite, etc.

Squaw Creek Mine, Taylor Creek Mining District, Catron County, New Mexico, USA

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About Durangite-Maxwellite SeriesHide

Crystal System:

Monoclinic

Series Formula:

NaAl(AsO₄)F to NaFe³⁺(AsO₄)F

A series between Durangite and Maxwellite

Unique IdentifiersHide

Mindat ID:

8652

Long-form identifier:

mindat:1:1:8652:9

Crystallography of Durangite-Maxwellite SeriesHide

Crystal System:

Monoclinic

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	Year	Locality	Temp (K)
0019593	Durangite	Downs G W, Yang B N, Thompson R M, Wenz M D, Andrade M B (2012) Redetermination of durangite, NaAl(AsO4)F Acta Crystallographica E68 i86-i87	2012	the Barranca mine, Coneto de Comonfort, Durango, Mexico	293
0010570	Durangite	Kokkoros P (1938) Uber die struktur des durangit NaAlF[AsO4] Zeitschrift fur Kristallographie 99 38-49	1938	Durango, Mexico	293
0014873	Maxwellite	Cooper M A, Hawthorne F C (1995) The crystal structure of maxwellite Neues Jahrbuch fur Mineralogie, Monatshefte 1995 97-104	1995	Squaw Creek, Catron County, New Mexico, USA	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Durangite'
loop_
_publ_author_name
'Downs G W'
'Yang B N'
'Thompson R M'
'Wenz M D'
'Andrade M B'
_journal_name_full 'Acta Crystallographica, Section E'
_journal_volume 68 
_journal_year 2012
_journal_page_first i86
_journal_page_last i87
_publ_section_title
;
 Redetermination of durangite, NaAl(AsO4)F
;
_database_code_amcsd 0019593
_chemical_compound_source 'the Barranca mine, Coneto de Comonfort, Durango, Mexico'
_chemical_formula_sum '(Na.95 Li.05) (Al.91 Fe.09) As O4.27 (F.73 H.27)'
_cell_length_a 6.5789
_cell_length_b 8.5071
_cell_length_c 7.0212
_cell_angle_alpha 90
_cell_angle_beta 115.447
_cell_angle_gamma 90
_cell_volume 354.835
_exptl_crystal_density_diffrn      3.915
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na   0.50000   0.17173   0.25000   0.95000   0.01324
Li   0.50000   0.17173   0.25000   0.05000   0.01324
Al   0.00000   0.00000   0.00000   0.91000   0.00554
Fe   0.00000   0.00000   0.00000   0.09000   0.00554
As   0.00000   0.31455   0.25000   1.00000   0.00504
O1   0.19850   0.43542   0.41553   1.00000   0.00955
O2   0.10283   0.20307   0.11309   1.00000   0.00838
F   0.00000   0.06705   0.75000   0.73000   0.00719
O-H   0.00000   0.06705   0.75000   0.27000   0.00719
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na 0.00980 0.00630 0.02080 0.00000 0.00390 0.00000
Li 0.00980 0.00630 0.02080 0.00000 0.00390 0.00000
Al 0.00567 0.00520 0.00565 0.00045 0.00233 0.00008
Fe 0.00567 0.00520 0.00565 0.00045 0.00233 0.00008
As 0.00470 0.00455 0.00563 0.00000 0.00199 0.00000
O1 0.00720 0.00930 0.01030 -0.00260 0.00200 -0.00320
O2 0.00970 0.00710 0.01030 -0.00030 0.00610 -0.00200
F 0.00960 0.00670 0.00560 0.00000 0.00360 0.00000
O-H 0.00960 0.00670 0.00560 0.00000 0.00360 0.00000

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 Durangite-Maxwellite SeriesHide

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https://www.mindat.org/min-8652.html
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Mineral Dealers:

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References for Durangite-Maxwellite SeriesHide

Reference List:

Localities for Durangite-Maxwellite SeriesHide

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.

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.


Canada
Nova Scotia Lunenburg Co. New Ross ⓘ ~~Lake Ramsay~~	[Durangite] Foord et al. (1985)
ⓘ Reeves pit (Reeves tin pit)	[Durangite] Faribault (1908)

Mexico
Durango Coneto de Comonfort Municipality Coneto de Comonfort ⓘ Barranca Mine	[Durangite] Brush G J (1869) +2 other references
Zacatecas ⓘ Fresnillo Municipality	[Durangite] Megaw (2023)

Romania
Harghita County Ditrău Complex Jolotca (Orotva) ⓘ Adit No 25	[Durangite] Hirtopanu et al. (2000)

UK
England Cornwall Linkinhorne Minions ⓘ ~~Cheesewring Quarry~~	[Durangite] Embrey (1978) +1 other reference

USA
New Mexico Catron County Taylor Creek Mining District Sawmill Creek ⓘ Unnamed prospects	[Durangite] NMGS 37th Field Conference
ⓘ Squaw Creek Mine	[Maxwellite] - (1989) +2 other references
Sierra County ⓘ 74 Draw deposits	[Durangite] NMGS 37th Field Conference
ⓘ Black Range	[Durangite] Maxwell et al. (1986)
ⓘ Boiler Peak	[Durangite] geoinfo.nmt.edu (n.d.)
ⓘ Monticello Tin District	[Maxwellite] Northrop et al. (1996)
ⓘ Willow Springs Draw	[Maxwellite] Northrop et al. (1996)
ⓘ Taylor Creek Tin Mining District (Black Range Tin District)	[Durangite] Northrop et al. (1996)
ⓘ The Clearing	[Durangite] Northrop et al. (1996)
Utah Juab County ⓘ Thomas Range	[Durangite] Wilson (1986)
ⓘ Durangite locality	[Durangite] In the collection of Alex Earl

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