Mendozavilite-NaCu (original) (raw)

A valid IMA mineral species

About Mendozavilite-NaCuHide

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Formula:

[Na2(H2O)15Cu(H2O)6][Mo8P2Fe3+3O34(OH)3]

Lustre:

Sub-Adamantine, Vitreous

Crystal System:

Monoclinic

Name:

Named for the relationship to other mendozavilite group minerals and the dominant cations Na and Cu.

This page provides mineralogical data about Mendozavilite-NaCu.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:41946:2

ddeac18e-61e1-4f68-bb26-095af41bbad9

IMA Classification of Mendozavilite-NaCuHide

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IMA Formula:

[Na2(H2O)15Cu(H2O)6][Mo8P2Fe3+3O34(OH)3]

Type description reference:

Kampf, A. R., Mills, S. J., Rumsey, M. S., Dini, M., Birch, W. D., Spratt, J., Pluth, J. J., Steele, I. M., Jenkins, R. A., Pinch, W. W. (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. Mineralogical Magazine, 76 (5) 1175-1207 doi:10.1180/minmag.2012.076.5.09

Classification of Mendozavilite-NaCuHide

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7.GB.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O

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.

Physical Properties of Mendozavilite-NaCuHide

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Streak:

Colorless to very pale green

Fracture:

Irregular/Uneven

Density:

2.824(5) g/cm3 (Measured) 2.824 g/cm3 (Calculated)

Optical Data of Mendozavilite-NaCuHide

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RI values:

_n_α = 1.770(5) _n_β = 1.785(5) _n_γ = 1.805(5)

δ = 0.035

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Dispersion:

r < v, strong, inclined

Comments:

Pale olive green, Y > X = Z

Chemistry of Mendozavilite-NaCuHide

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Mindat Formula:

[Na2(H2O)15Cu(H2O)6][Mo8P2Fe3+3O34(OH)3]

Crystallography of Mendozavilite-NaCuHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 18.9984(16) Å, b = 10.9296(7) Å, c = 15.0818(12) Å
β = 129.906(2)°

Ratio:

a:b:c = 1.738 : 1 : 1.38

Unit Cell V:

2,402.29 ų (Calculated from Unit Cell)

Morphology:

Sixsided (pseudohexagonal) tabular crystals up to 1 mm across and 0.1mm thick. Forms observed: {001},{110}, {111},{20-1} and {110}.

Twinning:

Ubiquitous: contact on {001} and penetration, both on roatation of 120° about [102].

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of Mendozavilite-NaCuHide

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General Appearance of Type Material:

As thin vein fillings and well developed crystals in cavities of quartz

Place of Conservation of Type Material:

Natural History Museum of Los Angeles County, catalogue numbers 60483, 60484,60485 and 60486

Geological Setting of Type Material:

In the oxidation zone of a porphyry copper deposit

Associated Minerals at Type Locality:

Reference:

Kampf, A.R., Mills, S.J., Rumsey, M.S., Dini, M., Birch, W.D., Spratt, J., Pluth, J.J., Steele, I.M., Jenkins, R.A., and Pinch, W.W. (2012): The heteromolybdate family: structural relations, nomenclature scheme and new species. Mineralogical Magazine: 76(5): 1175-1207.

Synonyms of Mendozavilite-NaCuHide

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Relationship of Mendozavilite-NaCu to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of Mendozavilite-NaCuHide

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Other InformationHide

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Notes:

Slowly soluble in concentrated HCl

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 Mendozavilite-NaCuHide

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References for Mendozavilite-NaCuHide

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Reference List:

Kampf, A. R., Mills, S. J., Rumsey, M. S., Dini, M., Birch, W. D., Spratt, J., Pluth, J. J., Steele, I. M., Jenkins, R. A., Pinch, W. W. (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. Mineralogical Magazine, 76 (5) 1175-1207 doi:10.1180/minmag.2012.076.5.09

Localities for Mendozavilite-NaCuHide

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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.