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Deveroite-(Ce)

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About Deveroite-(Ce)Hide

Formula:
Ce2(C2O4)3·10H2O
Colour:
Colourless
Lustre:
Vitreous
Hardness:
2 - 2½
Specific Gravity:
2.352 (Calculated)
Crystal System:
Monoclinic
Name:
Named in recognition of Devero valley and Devero Natural Park.
One of the rare oxalate minerals.
Synthetic La- and Nd-analogues exist.


Classification of Deveroite-(Ce)Hide

Approved
Approval Year:
2013

Physical Properties of Deveroite-(Ce)Hide

Vitreous
Colour:
Colourless
Streak:
White
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
along {010
Density:
2.352 g/cm3 (Calculated)

Optical Data of Deveroite-(Ce)Hide

Type:
Biaxial (-)
Pleochroism:
Non-pleochroic
Comments:
The extinction angle (β ^ c) is ~27

Chemical Properties of Deveroite-(Ce)Hide

Formula:
Ce2(C2O4)3·10H2O
IMA Formula:
Ce2(C2O4)3 · 10H2O

Crystallography of Deveroite-(Ce)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 11.240(8) Å, b = 9.635(11) Å, c = 10.339(12) Å
β = 114.41(10)°
Ratio:
a:b:c = 1.167 : 1 : 1.073
Unit Cell V:
1019.6 ų
Morphology:
Elongated tabular, acicular prisms.
Twinning:
None observed.

Epitaxial Relationships of Deveroite-(Ce)Hide

Epitaxial Minerals:
Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.266(100)
4.816(35.26)
3.415(27.83)
5.125(24.70)
4.988(22.98)
Comments:
From Type Description.

Type Occurrence of Deveroite-(Ce)Hide

General Appearance of Type Material:
As sprays of colourless elongated tabular, acicular prisms only on cervandonite-(Ce).
Place of Conservation of Type Material:
Type material is deposited in the collections of the collections of the Museum of Mineralogy of the Department of Geosciences at the University of Padova, Italy,catalogue number MMP M12148
Geological Setting of Type Material:
In alpine fissures of Mount Cervandone
Associated Minerals at Type Locality:

Synonyms of Deveroite-(Ce)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Cervandonite-(Ce)3 photos of Deveroite-(Ce) associated with Cervandonite-(Ce) on mindat.org.

Fluorescence of Deveroite-(Ce)Hide

Not fluorescent

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.

References for Deveroite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Guastoni, A., Nestola, F., Gentile, P., Zorzi, F., Lanza, A., Peruzzo, L., Alvaro, M. and Casati, N. (2013) Deveroite-(Ce), IMA 2013-003. CNMNC Newsletter No. 16, August 2013, page 2701; Mineralogical Magazine, 77, 2695-2709.
Guastoni, A., Nestola, F., Gentile, P., Zorzi, F., Alvaro, M., Lanza, A., Peruzzo, L., Schiazza, M. and Casati, N. M. (2013): Deveroite-(Ce): a new REE-oxalate from Mount Cervandone, Devero Valley, Western-Central Alps, Italy. Mineralogical Magazine, 77, 3019-3026.

Internet Links for Deveroite-(Ce)Hide

Localities for Deveroite-(Ce)Hide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
India
 
  • Andhra Pradesh
    • Nellore District
Gunnar Färber
Italy (TL)
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Antigorio Valley
          • Devero Valley
            • Baceno
              • Devero Alp
Guastoni, A., Nestola, F., Gentile, P., Zorzi, F., Lanza, A., Peruzzo, L., Alvaro, M. and Casati, N. (2013) Deveroite-(Ce), IMA 2013-003. CNMNC Newsletter No. 16, August 2013, page 2701; Mineralogical Magazine, 77, 2695-2709; Guastoni, A., Nestola, F., Gentile, P., Zorzi, F., Alvaro, M., Lanza, A., Peruzzo, L., Schiazza, M. and Casati, N. M. (2013): Deveroite-(Ce): a new REE-oxalate from Mount Cervandone, Devero Valley, Western-Central Alps, Italy. Mineralogical Magazine, 77, 3019-3026.
Mineral and/or Locality  
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