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Howardevansite Group

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Edit Howardevansite Group Add Synonym Edit CIF structures Clear Cache

Grigorievite

Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Howardevansite

Izalco Volcano, Sonsonate Department, El Salvador

Grigorievite

Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Howardevansite

Izalco Volcano, Sonsonate Department, El Salvador

Grigorievite

Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia

Howardevansite

Izalco Volcano, Sonsonate Department, El Salvador

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About Howardevansite GroupHide

This page provides mineralogical data about Howardevansite Group.

Unique IdentifiersHide

Mindat ID:

46495

Long-form identifier:

mindat:1:1:46495:8

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)
0001138	Howardevansite	Hughes J M, Drexler J W, Campana C F, Malinconico M L (1988) Howardevansite, NaCuFe2(VO4)3, a new fumarolic sublimate from Izalco volcano, El Salvador: Descriptive mineralogy and crystal structure American Mineralogist 73 181-186		1988		0	293
0020265	Ziminaite	Robertson B, Kostiner E (1972) Crystal structure and Moessbauer effect investigation of FeVO4 Journal of Solid State Chemistry 4 29-37		1972	Synthetic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Howardevansite'
loop_
_publ_author_name
'Hughes J M'
'Drexler J W'
'Campana C F'
'Malinconico M L'
_journal_name_full 'American Mineralogist'
_journal_volume 73 
_journal_year 1988
_journal_page_first 181
_journal_page_last 186
_publ_section_title
;
 Howardevansite, NaCuFe2(VO4)3, a new fumarolic sublimate from
 Izalco volcano, El Salvador: Descriptive mineralogy and crystal structure
 Note: Displacement ellipsoid for Na1 is not positive-definite
;
_database_code_amcsd 0001138
_chemical_formula_sum 'Cu2 Fe4 V6 Na2 O24'
_cell_length_a 8.198
_cell_length_b 9.773
_cell_length_c 6.6510
_cell_angle_alpha 103.82
_cell_angle_beta 101.99
_cell_angle_gamma 106.74
_cell_volume 473.098
_exptl_crystal_density_diffrn      3.812
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Cu   0.78675   0.79562   0.77650   1.00000
Fe1   0.54817   0.39238   0.11910   1.00000
Fe2   0.29616   0.98522   0.45530   1.00000
V1   0.41010   0.66723   0.38930   1.00000
V2   0.83830   0.73926   0.27550   1.00000
V3   0.77100   0.12589   0.09130   1.00000
Na1   0.00000   0.50000   0.50000   1.00000
Na2   0.02340   0.55090  -0.01600   0.50000
O1   0.44500   0.85700   0.42010   1.00000
O2   0.48210   0.35020   0.37130   1.00000
O3   0.80140   0.55560   0.26370   1.00000
O4   0.22010   0.16420   0.50350   1.00000
O5   0.27290   0.00750   0.15990   1.00000
O6   0.47290   0.57940   0.17010   1.00000
O7   0.72870   0.74210   0.02440   1.00000
O8   0.05520   0.82100   0.31840   1.00000
O9   0.19810   0.58000   0.33850   1.00000
O10   0.99070   0.23650   0.18970   1.00000
O11   0.71760   0.03610   0.26740   1.00000
O12   0.65920   0.24440   0.06780   1.00000
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
Cu 0.01890 0.03097 0.01387 0.01499 0.00925 0.01455
Fe1 0.01053 0.00865 0.00771 0.00488 0.00398 0.00402
Fe2 0.01053 0.00949 0.01002 0.00404 0.00375 0.00388
V1 0.00939 0.00582 0.00674 0.00337 0.00340 0.00263
V2 0.00825 0.00741 0.00578 0.00337 0.00340 0.00249
V3 0.00825 0.00773 0.00559 0.00387 0.00351 0.00319
Na1 0.00740 0.12516 0.09901 0.03873 0.03372 0.11278
Na2 0.02533 0.05182 0.01599 0.02189 -0.00808 -0.00970
O1 0.00626 0.00678 0.01136 0.00421 0.00234 0.00194
O2 0.01366 0.01355 0.00944 0.00371 0.00468 0.00623
O3 0.01594 0.01315 0.01657 0.00707 0.00702 0.00623
O4 0.01736 0.01435 0.00771 0.01044 0.00702 0.00707
O5 0.01935 0.01594 0.00867 0.00960 0.00585 0.00762
O6 0.01907 0.00797 0.00616 0.00657 0.00468 0.00319
O7 0.01594 0.01555 0.01040 0.00792 0.00585 0.00651
O8 0.01138 0.01594 0.01541 -0.00101 0.00468 0.00416
O9 0.01053 0.01594 0.03082 0.00185 0.00000 0.00693
O10 0.01110 0.02431 0.01541 0.00135 0.00117 0.00693
O11 0.02248 0.01754 0.00809 0.00640 0.00702 0.00610
O12 0.01850 0.01674 0.01425 0.01213 0.00351 0.00277

Relationship of Howardevansite Group to other SpeciesHide

Howardevansite Group Members:

Grigorievite	Cu₃Fe³⁺₂Al₂(VO₄)₆	Tric. 1 : P1
Howardevansite	NaCuFe₂(VO₄)₃	Tric. 1 : P1
Kabalovite	Fe²⁺₃Fe³⁺₄(PO₄)₆	Tric. 1 : P1
Koksharovite	CaMg₂Fe³⁺₄(VO₄)₆	Tric. 1 : P1
Ziminaite	Fe³⁺ ₆ (VO₄)₆	Tric. 1 : P1

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 Howardevansite GroupHide

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https://www.mindat.org/min-46495.html
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References for Howardevansite GroupHide

Reference List:

Localities for Howardevansite GroupHide

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.


El Salvador
Sonsonate Department ⓘ Izalco Volcano	[Howardevansite] Hughes et al. (1988)

Israel
Southern District Beersheba Subdistrict Tamar Regional Council Hatrurim Basin ⓘ Wadi Halamish	[Kabalovite] Miyawaki et al. (2022)

Russia
Kamchatka Krai Milkovsky District Tolbachik Volcanic field Great Fissure eruption (Main Fracture) Northern Breakthrough (North Breach) ⓘ Second scoria cone	[Grigorievite] Mineralogical Magazine +1 other reference
Ust-Kamchatsky District ⓘ Bezymyannyi Volcano	[Koksharovite] Williams et al. (2013) +1 other reference

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