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Novgorodovaite

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Formula:
Ca2(C2O4)Cl2 · 2H2O
Colour:
colourless
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.38
Crystal System:
Monoclinic
Name:
Named for Margarita Ivanovna Novgorodova (born 1938), Russian mineralogist, director of the Fersman Museum.
This page provides mineralogical data about Novgorodovaite.


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Classification of NovgorodovaiteHide

Approved
Approval Year:
2000
10.AB.80

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates

Physical Properties of NovgorodovaiteHide

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

Optical Data of NovgorodovaiteHide

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

Formula:
Ca2(C2O4)Cl2 · 2H2O

Crystallography of NovgorodovaiteHide

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

Type Occurrence of NovgorodovaiteHide

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

Synonyms of NovgorodovaiteHide

Other Language Names for NovgorodovaiteHide

Related Minerals - Nickel-Strunz GroupingHide

10.AB.05HumboldtineFe2+(C2O4) · 2H2OMon. 2/m
10.AB.05LindbergiteMn2+(C2O4) · 2H2OMon. 2/m
10.AB.10GlushinskiteMg(C2O4) · 2H2OMon.
10.AB.15MoolooiteCu(C2O4) · 0.4H2OOrth.
10.AB.20StepanoviteNaMgFe3+(C2O4)3 · 8-9H2OTrig. 3m : P3c1
10.AB.25MinguzziteK3Fe3+(C2O4)3 · 3H2OMon. 2/m : P21/b
10.AB.30WheatleyiteNa2Cu(C2O4)2 · 2H2OTric.
10.AB.35ZhemchuzhnikoviteNaMgAl(C2O4)3 · 8H2OTrig. 3m : P3c1
10.AB.40WeddelliteCa(C2O4) · (2.5-x)H2OTet. 4/m : I4/m
10.AB.45WhewelliteCa(C2O4) · H2OMon. 2/m : P21/b
10.AB.50CaoxiteCa(C2O4) · 3H2OTric.
10.AB.55Oxammite(NH4)2(C2O4) · H2OOrth. 2 2 2 : P21 21 2
10.AB.60NatroxalateNa2(C2O4)Mon.
10.AB.65Coskrenite-(Ce)(Ce,Nd,La)2(C2O4)(SO4)2 · 12H2OTric.
10.AB.70Levinsonite-(Y)(Y,Nd,La)Al(C2O4)(SO4)2 · 12H2OMon. 2/m
10.AB.75Zugshunstite-(Ce)(Ce,Nd,La)Al(C2O4)(SO4)2 · 12H2OMon.

Fluorescence of NovgorodovaiteHide

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 NovgorodovaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 NovgorodovaiteHide

Localities for NovgorodovaiteHide

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.
Kazakhstan (TL)
 
  • Aktobe Province (Aqtöbe Oblysy; 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  
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