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Natroxalate

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Big Photo

Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© 2008, JGW




Formula:
Na
 
2
(C
 
2
O
 
4
)
System:MonoclinicLustre:Vitreous
Hardness:3
Name:Named after its chemical composition of sodium (latin, natrium) and oxalate
This page provides mineralogical data about Natroxalate.

Classification of Natroxalate

IMA status:Approved
Strunz 8th edition ID:9/A.01-05
Nickel-Strunz 10th (pending) edition ID:10.AB.60

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
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Type Occurrence of Natroxalate

Type Locality:Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Natroxalate

Lustre:Vitreous
Hardness (Mohs):3

Crystallography of Natroxalate

Crystal System:Monoclinic

Optical Data of Natroxalate

Type:Biaxial (-)
RI values: nα = 1.415 nβ = 1.524 nγ = 1.592
Maximum Birefringence:δ = 0.177

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:relatively strong

Chemical Properties of Natroxalate

Formula:
Na
 
2
(C
 
2
O
 
4
)
Essential elements:C, Na, O
All elements listed in formula:C, Na, O

Relationship of Natroxalate to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.AB.05Humboldtine
Fe
2+
 
(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.05Lindbergite
Mn
2+
 
(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.10Glushinskite
Mg(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.15Moolooite
Cu(C
 
2
O
 
4
) · 0.4H
 
2
O
10.AB.20Stepanovite
NaMgFe
3+
 
(C
 
2
O
 
4
)
 
3
 · 8-9H
 
2
O
10.AB.25Minguzzite
K
 
3
Fe
3+
 
(C
 
2
O
 
4
)
 
3
 · 3H
 
2
O
10.AB.30Wheatleyite
Na
 
2
Cu(C
 
2
O
 
4
)
 
2
 · 2H
 
2
O
10.AB.35Zhemchuzhnikovite
NaMg(Fe
3+
 
,Al)(C
 
2
O
 
4
)
 
3
 · 8H
 
2
O
10.AB.40Weddellite
Ca(C
 
2
O
 
4
) · 2H
 
2
O
10.AB.45Whewellite
Ca(C
 
2
O
 
4
) · H
 
2
O
10.AB.50Caoxite
Ca(C
 
2
O
 
4
) · 3H
 
2
O
10.AB.55Oxammite
(NH
 
4
)
 
2
(C
 
2
O
 
4
) · H
 
2
O
10.AB.65Coskrenite-(Ce)
(Ce,Nd,La)
 
2
(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.70Levinsonite-(Y)
(Y,Nd,La)Al(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.75Zugshunstite-(Ce)
(Ce,Nd,La)Al(C
 
2
O
 
4
)(SO
 
4
)
 
2
 · 12H
 
2
O
10.AB.80Novgorodovaite
Ca
 
2
(C
 
2
O
 
4
)Cl
 
2
 · 2H
 
2
O

Other Names for Natroxalate

Synonyms:
IMA1994-053
Other Languages:
German:Natro-Oxalat

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Natroxalate

Reference List:

- +
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1996): 125(1): 126-132.

Mineralogical Record (1997): 2: 222.

Internet Links for Natroxalate

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Natroxalate details from Handbook of Mineralogy (PDF)
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    • Localities for Natroxalate

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
          • Lovozero Massif
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
              • Umbozero mine (Umba mine)
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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