Correianevesite (original) (raw)

A valid IMA mineral species

About CorreianevesiteHide

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Formula:

Fe2+Mn2+2(PO4)2 · 3H2O

Colour:

Grayish-brown to reddish-brown

Crystal System:

Orthorhombic

Name:

Named in honour of Professor José Marques Correia Neves (1929-2011), mineralogist from Portugal, for his detailed studies of Brazilian pegmatites.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:43669:0

b385bb5e-db8d-4541-89d1-8a71b30dd95a

IMA Classification of CorreianevesiteHide

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Type description reference:

Chukanov, N. V., Scholz, R., Zubkova, N. V., Pekov, I. V., Belakovskiy, D. I., Van, K. V., Lagoeiro, L., Graca, L. M., Krambrock, K., de Oliveira, L. C. A., Filho, L. A. D. M., Chaves, M. L. S. C., Pushcharovsky, D. Y. (2014) Correianevesite, Fe2+Mn2+2(PO4)2·3H2O, a new reddingite-group mineral from the Cigana mine, Conselheiro Pena, Minas Gerais, Brazil. American Mineralogist, 99 (4) 811-816 doi:10.2138/am.2014.4709

Classification of CorreianevesiteHide

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8.CC.

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
C : With only medium-sized cations, RO4:H2O = 1:1.5

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 CorreianevesiteHide

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Colour:

Grayish-brown to reddish-brown

Cleavage:

Poor/Indistinct
on (010).

Fracture:

Irregular/Uneven

Comment:

Fracture is laminated, uneven across cleavage.

Density:

3.25(2) g/cm3 (Measured) 3.275 g/cm3 (Calculated)

Optical Data of CorreianevesiteHide

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RI values:

_n_α = 1.661(5) _n_β = 1.673(5) _n_γ = 1.703(5)

2V:

Measured: 70° (10), Calculated: 65.6°

δ = 0.042

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

Chemistry of CorreianevesiteHide

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Mindat Formula:

Fe2+Mn2+2(PO4)2 · 3H2O

Crystallography of CorreianevesiteHide

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Crystal System:

Orthorhombic

Class (H-M):

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

Cell Parameters:

a = 9.4887(2) Å, b = 10.1149(2) Å, c = 8.7062(2) Å

Ratio:

a:b:c = 0.938 : 1 : 0.861

Morphology:

Bipyramidal crystals

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of CorreianevesiteHide

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General Appearance of Type Material:

As grayish-brown to reddish-brown transparent bipyramidal crystals up to 4 mm in size.

Place of Conservation of Type Material:

Type material is deposited in the collections of the collections of the Museu de Ciência Tecnica, Escola de Minas, Universidade Federal de Ouro Preto, Praça Tiradentes, Ouro Preto, Brazil, registration number SAA-081B

Geological Setting of Type Material:

A phosphate-rich granite pegmatite.

Associated Minerals at Type Locality:

Reference:

Chukanov, N.V., Scholz, R., Zubkova, N.V., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Lagoeiro, L., Graça, L.M., Krambrock, K., de Oliveira, L.C.A., Menezes Filho, L.A.D., Sa Carneiro Chaves, M.L., Pushcharovsky, D.Y. (2014) Correianevesite, Fe2+Mn2+2(PO4)2·3H2O, a new reddingite-group mineral from the Cigana mine, Conselheiro Pena, Minas Gerais, Brazil. American Mineralogist: 99: 811-816.

Synonyms of CorreianevesiteHide

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Relationship of Correianevesite to other SpeciesHide

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Other Members of this group:

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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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 CorreianevesiteHide

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References for CorreianevesiteHide

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Reference List:

Chukanov, N. V., Scholz, R., Zubkova, N. V., Pekov, I. V., Belakovskiy, D. I., Van, K. V., Lagoeiro, L., Graca, L. M., Krambrock, K., de Oliveira, L. C. A., Filho, L. A. D. M., Chaves, M. L. S. C., Pushcharovsky, D. Y. (2014) Correianevesite, Fe2+Mn2+2(PO4)2·3H2O, a new reddingite-group mineral from the Cigana mine, Conselheiro Pena, Minas Gerais, Brazil. American Mineralogist, 99 (4) 811-816 doi:10.2138/am.2014.4709

Vignola, Pietro, Demartin, Francesco, Campostrini, Italo, Falster, Alexander U, Simmons, William B, Sprague, Raymond A (2021) Crystal structure of correianevesite from the Emmons pegmatite, Uncle Tom Mountain, Greenwood, Oxford County, Maine. Bulletin de la Société Royale des Sciences de Liège.

Localities for CorreianevesiteHide

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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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