Paramendozavilite (original) (raw)

A valid IMA mineral species

About ParamendozaviliteHide

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Formula:

[KAl4(H2O)30][Mo12P6Fe3+6O60(OH)13]

Redefined by Kampf et al. (2012) based on neotypes; formerly given as NaAl4Fe7(PO4)5(PMo12O40)(OH)16.56H2O

Crystal System:

Monoclinic

Name:

Named by Williams (1986) for the close relation to mendozavilite (Greek para = near).

This page provides mineralogical data about Paramendozavilite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3099:7

33c47bd1-4779-45fb-80ae-9f7fc7c08e66

IMA Classification of ParamendozaviliteHide

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IMA Formula:

NaAl4Fe7(PO4)5(PMo12O40)(OH)16 · 56H2O

Type description reference:

Classification of ParamendozaviliteHide

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7.GB.45

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

49.4.6.1

49 : HYDRATED MOLYBDATES AND TUNGSTATES
4 : Compound Molybdates and Tungstates

22.5.7

22 : Phosphates, Arsenates or Vanadates with other Anions
5 : Phosphates, arsenates or vanadates with chromate, molybdate, niobate or tantalate

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 ParamendozaviliteHide

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Cleavage:

Perfect
one perfect cleavage

Density:

3.35 g/cm3 (Measured) 2.858 g/cm3 (Calculated)

Optical Data of ParamendozaviliteHide

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RI values:

_n_α = 1.686 _n_β = 1.710 _n_γ = 1.720

2V:

Measured: 60° , Calculated: 64.9°

δ = 0.034

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

Comments:

Pale yellow, Z > Y > X

Chemistry of ParamendozaviliteHide

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Mindat Formula:

[KAl4(H2O)30][Mo12P6Fe3+6O60(OH)13]

Redefined by Kampf et al. (2012) based on neotypes; formerly given as NaAl4Fe7(PO4)5(PMo12O40)(OH)16.56H2O

Crystallography of ParamendozaviliteHide

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Crystal System:

Monoclinic

Cell Parameters:

a = 10.963(2) Å, b = 25.881(3) Å, c = 15.434(2) Å
β = 110.73(1)°

Ratio:

a:b:c = 0.424 : 1 : 0.596

Twinning:

Crystals are mostly twinned. Polysynthetic, observed optically parallel to cleavage

Comment:

Point Group: n.d. ; Space Group: n.d.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of ParamendozaviliteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

The Natural History Museum, London, England, 1984,476.

Reference:

Williams, S.A. (1986) Mendozavilite and paramendozavilite, two new minerals from Cumobabi, Sonora. Boletín de Mineralogía: 2: 13-19.

Synonyms of ParamendozaviliteHide

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Other Language Names for ParamendozaviliteHide

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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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Other InformationHide

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Notes:

Easily soluble in dilute acids

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 ParamendozaviliteHide

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References for ParamendozaviliteHide

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Reference List:

Hawthorne, Frank C., Burke, Ernst A. J., Ercit, T. Scott, Grew, Edward S., Grice, Joel D., Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C., Vanko, David A. (1988) New Mineral Names. American Mineralogist, 73 (1-2) 189-199

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 ParamendozaviliteHide

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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.