Novgorodovaite
A valid IMA mineral species
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About Novgorodovaite
Formula:
Ca2(C2O4)Cl2 · 2H2O
Colour:
colourless
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
2.38
Crystal System:
Monoclinic
Name:
Named in honor of Margarita Ivanovna Novgorodova (Новгородова Маргарита Ивановна) (b. 15 March 1938), Russian mineralogist and specialist in gold mineralogy. She was director of the A. E. Fersman Mineralogical Museum from 1996 to 2010.
This page provides mineralogical data about Novgorodovaite.
Unique Identifiers
Mindat ID:
11432
Long-form identifier:
mindat:1:1:11432:7
GUID
(UUID V4):
(UUID V4):
02612abf-790f-42f2-a522-42cbee6c5579
IMA Classification of Novgorodovaite
Approved
Approval year:
2000
First published:
2001
Classification of Novgorodovaite
10.AB.80
10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Nov | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Novgorodovaite
Vitreous
Transparency:
Transparent
Colour:
colourless
Streak:
white
Hardness:
2½ on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on {100} and {010}
Good on {100} and {010}
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.38(1) g/cm3 (Measured) 2.40 g/cm3 (Calculated)
Optical Data of Novgorodovaite
Type:
Biaxial (-)
RI values:
nα = 1.565(2) nβ = 1.645(2) nγ = 1.725(4)
2V:
Measured: 88° (10), Calculated: 87°
Max Birefringence:
δ = 0.160
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic
Chemistry of Novgorodovaite
Mindat Formula:
Ca2(C2O4)Cl2 · 2H2O
Crystallography of Novgorodovaite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.936(3) Å, b = 7.382(3) Å, c = 7.443(3) Å
β = 94.3°, γ = 1°
β = 94.3°, γ = 1°
Ratio:
a:b:c = 0.94 : 1 : 1.008
Unit Cell V:
380.02 ų
Z:
2
Morphology:
aggregates to 3 cm of grains to 7 mm
Comment:
Space Group: I2/m
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0012496 | Novgorodovaite | Rastsvetaeva R K, Chukanov N V, Nekrasov Y V (2001) Crystal structure of novgorodovaite, Ca2(C2O4)Cl2*2H2O Doklady Akademii Nauk SSSR 381 353-355 | 2001 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.917 Å | (100) |
2.956 Å | (80) |
5.062 Å | (70) |
4.323 Å | (70b) |
4.063 Å | (70b) |
4.812 Å | (50) |
3.644 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
25 : Evaporites (prebiotic) |
Type Occurrence of Novgorodovaite
General Appearance of Type Material:
grains up to 7 mm in size
Place of Conservation of Type Material:
Fersman Mineralogical Museum of Russian Academy of Sciences, Moscow.
Geological Setting of Type Material:
in a salt dome, observed in a drill core sample from 850 – 900 m depth
Reference:
Chukanov, N.V., D.I. Belakovskii, R.K. Rastsvetaeva, O.V. Karimova & A.E. Zadov (2001) Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(4): 32-35.
Synonyms of Novgorodovaite
Other Language Names for Novgorodovaite
Related Minerals - Strunz-mindat Grouping
10.AB. | Deveroite-(Ce) | Ce2(C2O4)3 · 10H2O |
10.AB.X | Falottaite | MnC2O4 · 3H2O |
10.AB. | Uroxite | [(UO2)2(C2O4)(OH)2(H2O)2] · H2O |
10.AB. | Andreybulakhite | Ni(C2O4) · 2H2O |
10.AB. | Edwindavisite | Cu(C2O4)(NH3) |
10.AB.05 | Humboldtine | Fe2+(C2O4) · 2H2O |
10.AB.05 | Lindbergite | Mn2+(C2O4) · 2H2O |
10.AB.05 | Katsarosite | Zn(C2O4) · 2H2O |
10.AB.10 | Glushinskite | Mg(C2O4) · 2H2O |
10.AB.15 | Moolooite | Cu(C2O4) · nH2O |
10.AB.20 | Stepanovite | NaMgFe3+(C2O4)3 · 8-9H2O |
10.AB.25 | Minguzzite | K3Fe3+(C2O4)3 · 3H2O |
10.AB.30 | Wheatleyite | Na2Cu(C2O4)2 · 2H2O |
10.AB.35 | Zhemchuzhnikovite | NaMgAl(C2O4)3 · 8H2O |
10.AB.40 | Weddellite | Ca(C2O4) · (2.5-x)H2O |
10.AB.45 | Whewellite | Ca(C2O4) · H2O |
10.AB.47 | Fiemmeite | Cu2(C2O4)(OH)2 · 2H2O |
10.AB.50 | Caoxite | Ca(C2O4) · 3H2O |
10.AB.50 | Middlebackite | Cu2C2O4(OH)2 |
10.AB.52 | Metauroxite | (UO2)2(C2O4)(OH)2(H2O)2 |
10.AB.55 | Oxammite | (NH4)2(C2O4) · H2O |
10.AB.60 | Natroxalate | Na2(C2O4) |
10.AB.60 | Phoxite | (NH4)2Mg2(C2O4)(PO3OH)2(H2O)4 |
10.AB.60 | Carboferriphoxite | [(NH4)K(H2CO3)][Fe3+(HPO4)(H2PO4)(C2O4)] |
10.AB.60 | Ferriphoxite | [(NH4)2K(H2O)][Fe3+(HPO4)2(C2O4)] |
10.AB.65 | Coskrenite-(Ce) | (Ce,Nd,La)2(C2O4)(SO4)2 · 12H2O |
10.AB.70 | Levinsonite-(Y) | (Y,Nd,La)Al(C2O4)(SO4)2 · 12H2O |
10.AB.75 | Zugshunstite-(Ce) | (Ce,Nd,La)Al(C2O4)(SO4)2 · 12H2O |
Fluorescence of Novgorodovaite
none
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Novgorodovaite
mindat.org URL:
https://www.mindat.org/min-11432.html
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References for Novgorodovaite
Localities for Novgorodovaite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Kazakhstan (TL) | |
| Chukanov et al. (2001) |
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Chelkar salt dome, Aksai Valley, Shalkar District, Aktobe Region, Kazakhstan