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Novgorodovaite

Big Photo

Chelkar salt dome, Aksai Valley, Aqtöbe Oblysy (Aktubinsk [Aktyubinsk; Aktubinskaya] Oblast'), Kazakhstan
© Thomas Witzke

Formula:
Ca
 
2
[Cl
 
2
|C
 
2
O
 
4
] · 2H
 
2
O
System:MonoclinicColour:colourless
Hardness:2½
Name:named for Margarita Ivanovna Novgorodova (born 1938), russian mineralogist, director of the Fersman Museum
This page provides mineralogical data about Novgorodovaite.

Classification of Novgorodovaite

IMA status:Approved 2000
Strunz 8th edition ID:9/A.01-28
Nickel-Strunz 10th (pending) edition ID:10.AB.80

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

Type Locality:Chelkar salt dome, Aksai Valley, Aqtöbe Oblysy (Aktubinsk [Aktyubinsk; Aktubinskaya] Oblast'), Kazakhstan
General Appearance of Type Material:grains up to 7 mm in size
Geological Setting of type material:in a salt dome, observed in a drill core sample from 850 – 900 m depth

Physical Properties of Novgorodovaite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:colourless
Streak:white
Hardness (Mohs):2½
Hardness Data:Measured
Cleavage:Distinct/Good
on {100} and {010}
Fracture:Conchoidal
Density (measured):2.38 g/cm3
Density (calculated):2.4 g/cm3

Crystallography of Novgorodovaite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 6.936Å, b = 7.382Å, c = 7.443Å
β = 94.3°
Ratio:a:b:c = 0.94 : 1 : 1.008
Unit Cell Volume:V 380.02 ų
Z:2

Optical Data of Novgorodovaite

Type:Biaxial (-)
RI values: nα = 1.565 nβ = 1.645 nγ = 1.725
2V:Measured: 88°
Maximum Birefringence:δ = 0.160

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Pleochroism:Non-pleochroic

Chemical Properties of Novgorodovaite

Formula:
Ca
 
2
[Cl
 
2
|C
 
2
O
 
4
] · 2H
 
2
O
All elements listed in formula:C, Ca, Cl, H, O

Relationship of Novgorodovaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
10.AB.05Humboldtine
Fe[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.60Natroxalate
Na
 
2
[C
 
2
O
 
4
]
10.AB.65Coskrenite-(Ce)
(Ce,Nd,La)
 
2
[(SO
 
4
)
 
2
|C
 
2
O
 
4
] · 12H
 
2
O
10.AB.70Levinsonite-(Y)
(Y,Nd,La)Al(SO
 
4
)
 
2
(C
 
2
O
 
4
)·12H
 
2
O
10.AB.75Zugshunstite-(Ce)
(Ce,Nd,La)Al(SO
 
4
)
 
2
(C
 
2
O
 
4
)·12H
 
2
O

Other Names for Novgorodovaite

Synonyms:
IMA2000-039
Other Languages:
German:Novgorodovait
Russian:Новгородоваит
Spanish:Novgorodovaita

Other Information

Fluorescence in UV light:none
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 Novgorodovaite

Reference List:Chukanov, N.V., D.I. Belakovskii, R.K. Rastsvetaeva, O.V. Karimova & A.E. Zadov (2001), Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(4): 32-35.

Internet Links for Novgorodovaite

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    Localities for Novgorodovaite

    (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.
    Kazakhstan
     
    • Aqtöbe Oblysy (Aktubinsk [Aktyubinsk; Aktubinskaya] Oblast')
      • Aksai Valley
    		N.V. Chukanov, D.I. Belakovskii, R.K. Rastsvetaeva, O.V. Karimova & A.E. Zadov (2001) Zap. Vser. Min. Ob. 130/4, 32-35
    Mineral and/or Locality
    Google
     
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