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Zavalíaite

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About ZavalíaiteHide

M. Florencia Márquez-Zavalía
Formula:
(Mn2+,Fe2+,Mg)3(PO4)2
Colour:
Colorless
Lustre:
Vitreous, Resinous
Hardness:
4
Specific Gravity:
3.68 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honour of María Florencia de Fátima Márquez-Zavalía (1955- ), researcher and Head of the Department of Mineralogy, Petrography and Geochemistry, IANIGLA, CCT Mendoza, CONICET (National Research Council of Argentina); for her contributions to Argentinian mineralogy.
Forms exsolution lamellae in lithophilite.


Classification of ZavalíaiteHide

Approved
Approval Year:
2011
First Published:
2012

Physical Properties of ZavalíaiteHide

Vitreous, Resinous
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Hardness:
Comment:
Estimated by comparison with other minerals of the sarcopside group
Tenacity:
Brittle
Density:
3.68 g/cm3 (Calculated)
Comment:
Calculated from epirical formula and single crystal data

Optical Data of ZavalíaiteHide

Type:
Biaxial (-)
Pleochroism:
Non-pleochroic

Chemical Properties of ZavalíaiteHide

Formula:
(Mn2+,Fe2+,Mg)3(PO4)2
IMA Formula:
Mn2+3(PO4)2

Crystallography of ZavalíaiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 6.088(1) Å, b = 4.814(1) Å, c = 10.484(2) Å
β = 89.42(3)°
Ratio:
a:b:c = 1.265 : 1 : 2.178
Unit Cell V:
307.25 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.75(58)
3.54(100)
2.964(38)
2.816(81)
2.537(20)
1.894(6)
1.848(20)
1.652(27)

Type Occurrence of ZavalíaiteHide

General Appearance of Type Material:
As colorless, transparent exsolution lamellae in lithiophilite, up to 70 micron thick and 1.5 mm long.
Place of Conservation of Type Material:
In the collections of the Laboratory of Mineralogy, University of Liège, catalogue number 20384
Geological Setting of Type Material:
Granite pegmatite
Associated Minerals at Type Locality:
Reference:
Hatert, F., Roda-Robles, E., de Parseval, P., Wouters, J. (2012) Zavalíaite, (Mn2+,Fe2+,Mg)3(PO4)2, a new member of the sarcopside group from the La Empleada pegmatite, San Loius Province, Argentina. Canadian Mineralogist: 50: 1445-1452.

Synonyms of ZavalíaiteHide

Relationship of Zavalíaite to other SpeciesHide

Other Members of this group:
Chopinite(Mg,Fe2+)3(PO4)2Mon. 2/m : P21/b
Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
Lithiophilite1 photo of Zavalíaite associated with Lithiophilite on mindat.org.

Fluorescence of ZavalíaiteHide

Non-fluorescent under short-wave (254 nm) and long-wave (366nm) ultraviolet light

Other InformationHide

Notes:
The mineral partially hydrates to reddingite
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 ZavalíaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hatert, F., Roda-Robles, E., de Parseval, P., Wouters, J. (2011) Zavalíaite, IMA 2011-012. CNMNC Newsletter No. 10, October 2011: 2551.
Hatert, F., Roda-Robles, E., de Parseval, P., Wouters, J. (2012) Zavalíaite, (Mn2+,Fe2+,Mg)3(PO4)2, a new member of the sarcopside group from the La Empleada pegmatite, San Loius Province, Argentina. Canadian Mineralogist: 50: 1445-1452.

Internet Links for ZavalíaiteHide

Localities for ZavalíaiteHide

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.
Argentina (TL)
 
  • San Luis
    • Coronel Pringles Department
Hatert, F., Roda-Robles, E., de Parseval, P. and Wouters, J. (2012): Zavalíaite, (Mn2+,Fe2+,Mg)3(PO4)2, a new member of the sarcopside group from the La Empleada pegmatite, San Loius Province, Argentina. Canadian Mineralogist.50, 1445-1452
Mineral and/or Locality  
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