Westerveldite (original) (raw)

A valid IMA mineral species

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About WestervelditeHide

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Colour:

brownish grey, dark gray

Specific Gravity:

8.13 (Calculated)

Crystal System:

Orthorhombic

Name:

Named after Jan Westerveld (25 January 1905, Lemarang, Reok Barat, Manggarai, Indonesia, - 29 August 1962) mineralogist and economic geologist, University of Amsterdam, The Netherlands

This page provides mineralogical data about Westerveldite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:4273:0

41aeb110-b285-44e8-b2c8-8b39f470d6d5

IMA Classification of WestervelditeHide

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Type description reference:

Oen, I. S., Burke, E. A. J., Kieft, C., Westerhof, A. B. (1972) Westerveldite, (Fe,Ni,Co)As, a new mineral from La Gallega, Spain. American Mineralogist, 57 (3-4). 354-363

Classification of WestervelditeHide

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2.CC.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.

3.11.32

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11 : Sulphides etc. of Ni

Mineral SymbolsHide

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

Symbol Source Reference
Wvd 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 WestervelditeHide

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Colour:

Brownish grey, dark gray

Hardness:

VHN100=916 - 973 kg/mm2 (15 s test time) - Vickers

Density:

8.13 g/cm3 (Calculated)

Optical Data of WestervelditeHide

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Anisotropism:

distinct in air strong in oil

Bireflectance:

weak in air and oil

Reflectivity:

Wavelength R1 R2
400nm 46.9% 48.6%
440nm 45.7% 48.4%
480nm 44.3% 48.0%
520nm 43.4% 47.9%
560nm 43.4% 48.0%
600nm 43.7% 48.1%
640nm 44.4% 48.6%
680nm 45.6% 49.1%
700nm 46.2% 49.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 49.4%.
R1 shown in black, R2 shown in red

Colour in reflected light:

whitish grey with faint brownish and bluish tinges

Comments:

brownish and brownish grey colours

Chemistry of WestervelditeHide

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Mindat Formula:

(Fe,Ni,Co)As

Crystallography of WestervelditeHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 5.43(1) Å, b = 6.02(1) Å, c = 3.37(1) Å

Ratio:

a:b:c = 0.902 : 1 : 0.56

Unit Cell V:

110.16 ų (Calculated from Unit Cell)

Morphology:

As irregularly shaped blebs and stringers.

Comment:

Space group Pmcn (non-standard setting).

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
2.588 Å (100)
1.996 Å (60)
2.635 Å (55)
2.076 Å (35)
2.019 Å (35)
1.725 Å (30)
2.116 Å (18)

Geological EnvironmentHide

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Type Occurrence of WestervelditeHide

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Place of Conservation of Type Material:

Geological Institute, University of Amsterdam, Amsterdam; Institute of Earth Sciences, Free University of Amsterdam, Amsterdam, The Netherlands.

Geological Setting of Type Material:

chromite - niccolite ores

Associated Minerals at Type Locality:

Reference:

Oen, I.S., Burke, E.A.J., Kieft, C., Westerhof, A.B. (1972) Westerveldite, (Fe,Ni,Co)As, a new mineral from La Gallega, Spain. American Mineralogist: 57: 354-363.

Synonyms of WestervelditeHide

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Other Language Names for WestervelditeHide

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Varieties of WestervelditeHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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2.CC. Tilkerodeite Pd2HgSe3 Trig. 3_m_ _(_32/m ) : _P_3_m_1
2.CC. UM2007-26-S:CuFeIrNiPtRh (Ir,Cu,Ni,Pt,Rh,Fe)9S11
2.CC. Crowningshieldite (Ni0.9Fe0.1)S Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC. Eliopoulosite V7S8 Trig. 32 : _P_3221
2.CC. Kuvaevite Ir5Ni10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Torryweiserite Rh5Ni10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Tamuraite Ir5Fe10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC. Ferrotorryweiserite Rh5Fe10S16 Trig. 3_m_ _(_32/m ) : R_3_m
2.CC.05 Achávalite FeSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Breithauptite NiSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Freboldite CoSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Kotulskite Pd(Te,Bi)2-x (x ≈ 0.4) Hex.
2.CC.05 Langisite CoAs Hex. 6 : _P_63
2.CC.05 Nickeline NiAs Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m
2.CC.05 Sederholmite beta-NiSe Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Sobolevskite PdBi Hex.
2.CC.05 Stumpflite PtSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Sudburyite PdSb Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.05 Jaipurite CoS Hex.
2.CC.05 Zlatogorite NiCuSb2 Trig. 3_m_ _(_32/m ) : P_31_m
2.CC.10 Pyrrhotite Fe1-xS Mon.
2.CC.10 Smythite (Fe,Ni)3+xS4 (x=0-0.3) Trig. 3_m_ _(_32/m ) : R_3_m
2.CC.10 Troilite FeS Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.15 Cherepanovite RhAs Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
2.CC.15 Modderite (Co,Fe)As Orth. m m m _(_2/_m_2/_m_2/m )
2.CC.15 Ruthenarsenite (Ru,Ni)As Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
2.CC.15 Minakawaite RhSb Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
2.CC.20 Millerite NiS Trig. 3_m_ : R_3_m
2.CC.20 Mäkinenite γ-NiSe Trig. 3_m_
2.CC.20 UM1990-38-S:CuFeIrNiPtRh (Ni,Fe,Rh,Cu,Ir,Pt)S
2.CC.25 Mackinawite FeS Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_4/n m m
2.CC.30 Hexatestibiopanickelite (Pd,Ni)(Sb,Te) ? Hex.
2.CC.30 Vavřínite Ni2SbTe2 Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c
2.CC.35a Braggite PdPt3S4 Tet. 4/m : _P_42/m
2.CC.35b Cooperite PtS Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_42/m m c
2.CC.35a Vysotskite PdS Tet. 4/m : _P_42/m
2.CC.45 Jacutingaite Pt2HgSe3 Trig. 3_m_ _(_32/m ) : _P_3_m_1
2.CC.50 Imgreite NiTe (?) Hex.

Other InformationHide

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Health Risks:

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

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References for WestervelditeHide

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Reference List:

Oen, I. S., Burke, E. A. J., Kieft, C., Westerhof, A. B. (1972) Westerveldite, (Fe,Ni,Co)As, a new mineral from La Gallega, Spain. American Mineralogist, 57 (3-4). 354-363

Mozgova, N.N., Borodayev, Yu. S., Ozerova, N.A., Paakkonen, V., Sveshnikova, O.L., Balitskiy, V.S., Dorogovin, B.A. (1977) Seinäjokite, (Fe0.8Ni0.2) (Sb1.7As0.3), and antimonian westerveldite, Fe(As0.95Sb0.05) from Seinäjoki, Finland. International Geology Review, 19 (11) 1357-1368 doi:10.1080/00206817709471143

Localities for WestervelditeHide

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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

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- 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
Manitoba Thompson Nickel Belt Moab-Setting Lakes area Thompson ⓘ Birchtree Mine Oen et al. (1977) +1 other reference
Cyprus
Limassol District ⓘ Pevkos (Pefkos) Thalhammer et al. (1986)
Finland
South Ostrobothnia ⓘ Seinäjoki American Mineralogist (1977)
ⓘ Routakallio Quarry (Satamo Quarry) Borodaev et al. (1983)
ⓘ Törnävä deposit Mozgova et al. (1977)
Greenland
Kujalleq ⓘ Ilímaussaq complex Sørensen (2001) +1 other reference
ⓘ Tunulliarfik Fjord Knut Eldjarn Collection
ⓘ Igdlunguaq Oen et al. (1977)
Italy
Umbria Terni Province San Venanzo ⓘ Vispi Quarry ? Sabatini (1899) +11 other references
Morocco
Tanger-Tetouan-Al Hoceima Region Chefchaouen Province Beni Bousera massif ⓘ Amasined mine Piña et al. (2013)
Russia
Lake Baikal area ⓘ Tazheranskii Massif Sklyarov et al. (2021)
Murmansk Oblast ⓘ Khibiny Massif Olga Yakovleva et al. (2009)
Kolsky District ⓘ Tepsi ultrabasic body Barkov et al. (2024)
Spain
Andalusia Málaga Álora ⓘ El Sapo mine Gervilla et al. (1980)
Carratraca ⓘ Los Jarales Econ Geol (1990)
Ojén Ojén lherzolite massif ⓘ La Gallega Mine (TL) Oen et al. (1972)
ⓘ Serranía de Ronda Gervilla et al. (2002)
Galicia Pontevedra A Cañiza ⓘ A Franqueira Martin-Izard et al. (1995)
Sweden
Södermanland County Nyköping Tunaberg ⓘ Tunaberg Cu-Co Ore Field Dobbe et al. (1994)
USA
New Hampshire Merrimack County ⓘ Bow Utsunomiya et al. (2003)