Vapnikite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Vapnikite
Formula:
Ca2CaUO6
Colour:
Yellow-brown
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
5.322 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For Yevgeny Vapnik (Ben Gurion University of the Negev, Beer Sheva, Israel), who initiated a new program of geological, geophysical, petrological and mineralogical studies of the Hatrurim Formation in Israel and Jordan.
An analogue of the synthetic ordered double-perovskite β-Ca3UO6 and is isostructural with the natural fluorperovskite: cryolite Na3AlF6.
Unique Identifiers
Mindat ID:
45941
Long-form identifier:
mindat:1:1:45941:5
GUID
(UUID V4):
(UUID V4):
4ff3a90d-d306-44fa-9924-36e6d47ecb5d
IMA Classification of Vapnikite
Approved
Approval year:
2013
First published:
2014
Type description reference:
Galuskin, E. V., Galuskina, I. O., Kusz, J., Armbruster, T., Marzec, K. M., Dzierżanowski, P., Murashko, M. (2014) Vapnikite Ca3UO6 – a new double-perovskite mineral from pyrometamorphic larnite rocks of the Jabel Harmun, Palestinian Autonomy, Israel. Mineralogical Magazine, 78 (3) 571-581 doi:10.1180/minmag.2014.078.3.07
Classification of Vapnikite
4.00.
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
0 :
0 :
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
0 :
0 :
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 |
---|---|---|
Vpn | 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 Vapnikite
Vitreous
Transparency:
Transparent
Comment:
Strong vitreous lustre
Colour:
Yellow-brown
Streak:
white with a yellow hue
Hardness:
5 on Mohs scale
Hardness:
VHN25=534 kg/mm2 - Vickers
Comment:
Corresponding to the hardness of ~5
Cleavage:
None Observed
Parting:
None observed
Fracture:
Irregular/Uneven
Density:
5.322 g/cm3 (Calculated)
Optical Data of Vapnikite
Type:
Biaxial
Pleochroism:
Non-pleochroic
Comments:
Average RI 1.78(3)
Chemistry of Vapnikite
Mindat Formula:
Ca2CaUO6
Elements listed:
Crystallography of Vapnikite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 5.739(1) Å, b = 5.951(1) Å, c = 8.312(1) Å
β = 90.4(1)°
β = 90.4(1)°
Ratio:
a:b:c = 0.964 : 1 : 1.397
Unit Cell V:
283.9 ų
Z:
2
Morphology:
Xenomorphic grains
Comment:
P21/n
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
---|---|---|---|---|---|---|---|
0020159 | Vapnikite | Galuskin E V, Galuskina I O, Kusz J, Armbruster T, Marzec K M, Dzierzanowski P, Murashko M (2014) Vapnikite Ca3UO6 - a new double-perovskite mineral from pyrometamorphic larnite rocks of the Jabel Harum, Palestinian Autonomy, Israel Mineralogical Magazine 78 571-581 | 2014 | Hatrurim Formation, Israel | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.838 Å | (78) |
4.706 Å | (39) |
4.131 Å | (79) |
2.975 Å | (47) |
2.938 Å | (100) |
2.922 Å | (99) |
2.870 Å | (43) |
2.065 Å | (47) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
51 : Pyrometamorphic minerals (see also #54 and #56) | <0.36 |
Type Occurrence of Vapnikite
General Appearance of Type Material:
Small grains up to 20–30 μm in size wedged between larnite, brownmillerite and ye'elimite
Place of Conservation of Type Material:
The Museum of Natural History in Bern, Bern, Switzerland, Catalogue number NMBE 42401
Geological Setting of Type Material:
Larnite pyrometamorphic rocks of the Hatrurim Formation
Associated Minerals at Type Locality:
Reference:
Galuskin, E., Galuskina, I., Kusz, J., Armbruster, T., Marzec, K., Dzierżanowski, P., Murashko, M. (2014) Vapnikite Ca3UO6 - a new double perovskite mineral from pyrometamorphic larnite rocks of the Jabel Harmun, Palestine Autonomy, Israel. Mineralogical Magazine: 78: 571-581.
Synonyms of Vapnikite
Relationship of Vapnikite to other Species
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Vapnikite associated with Ye'elimite | Ca4Al6(SO4)O12 |
1 photo of Vapnikite associated with Brownmillerite | Ca2(Al,Fe3+)2O5 |
1 photo of Vapnikite associated with Larnite | Ca2SiO4 |
Related Minerals - Strunz-mindat Grouping
4.00. | Goethite | α-Fe3+O(OH) |
4.00. | Microlite Group | A2-mTa2X6-wZ-n |
4.00. | Ferrotaaffeite-6N'3S | (Be,Zn,Mg)FeAl4O8 |
4.00. | Pyrochlore Group | A2Nb2(O,OH)6Z |
4.00. | Písekite-(Y) | (Y,As,Ca,Fe,U)(Nb,Ti,Ta)O4 |
4.00. | UM2004-19-O:AlCeGdZr | (Gd,Ce)4Al2Zr4O17 |
4.00. | UM2004-21-O:CaFeGdZr | Ca2Gd4Fe5ZrO15 |
4.00. | UM2004-27-O:GdTi | Gd2Ti4O11 |
4.00. | Mapiquiroite | (Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38 |
4.00. | Almeidaite | PbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O) |
Fluorescence of Vapnikite
sometimes weak-yellowish fluorescence
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 Vapnikite
mindat.org URL:
https://www.mindat.org/min-45941.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Vapnikite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) New minerals and nomenclature modifications approved in 2013. CNMNC Newsletter No 18. Mineralogical Magazine, 77 (8) 3249-3258 doi:10.1180/minmag.2013.077.8.15
Galuskin, E. V., Galuskina, I. O., Kusz, J., Armbruster, T., Marzec, K. M., Dzierżanowski, P., Murashko, M. (2014) Vapnikite Ca3UO6 – a new double-perovskite mineral from pyrometamorphic larnite rocks of the Jabel Harmun, Palestinian Autonomy, Israel. Mineralogical Magazine, 78 (3) 571-581 doi:10.1180/minmag.2014.078.3.07
Localities for Vapnikite
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.
Germany | |
| in the collection of Christof Schäfer |
Jordan | |
| Khoury et al. (2016) |
Galuskina et al. (2021) | |
Middle East | |
Vapnik et al. (2014) | |
Palestine (TL) | |
| Galuskin et al. (2014) |
Quick NavTopAbout VapnikiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsRelationshipsCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Jebel Harmun, Quds Governorate, West Bank, Palestine