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Batagayite
A valid IMA mineral species
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Batagay, Russia
Formula:
CaZn2(Zn,Cu)6(PO4)4[PO3OH]3 · 12H2O
Colour:
Colorless
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
2.90
Crystal System:
Monoclinic
Name:
Named for the town of Batagay, located about 50 km from the type locality. It is the administrative center of the Verkhoyansky District of the Sakha Republic, Russia.
New structure type. The first natural Ca-Zn hydroxophosphate.
Unique Identifiers
Mindat ID:
51825
Long-form identifier:
mindat:1:1:51825:9
IMA Classification of Batagayite
Approved
IMA Formula:
CaZn2+2(Zn2+,Cu2+)6(PO4)4[PO3(OH)]3·12H2O
Approval year:
2017
First published:
2018
Type description reference:
Yakovenchuk, Victor N., Pakhomovsky, Yakov A., Konopleva, Nataliya G., Panikorovskii, Taras L., Bazai, Ayya, Mikhailova, Julia A., Bocharov, Vladimir N., Ivanyuk, Gregory Yu., Krivovichev, Sergey V. (2018) Batagayite, CaZn2(Zn,Cu)6(PO4)4(PO3OH)3·12H2O, a new phosphate mineral from Këster tin deposit (Yakutia, Russia): occurrence and crystal structure. Mineralogy and Petrology, 112 (4) 591-601 doi:10.1007/s00710-017-0551-x
Classification of Batagayite
8.C0.
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
0 :
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
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 for Standard |
|---|---|---|
| Btg | 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 Batagayite
Vitreous
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect cleavage on {001}
Perfect cleavage on {001}
Parting:
None observed
Density:
2.90(3) g/cm3 (Measured) 3.02 g/cm3 (Calculated)
Optical Data of Batagayite
Type:
Biaxial (-)
RI values:
nα = 1.566(2) nβ = 1.572(2) nγ = 1.573(2)
2V:
Measured: 40° (5), Calculated: 44.3°
Max. Birefringence:
δ = 0.007
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Moderate (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure
- the conoscopic view for a grain cut perpendicular to the acute bisectrix, using
this mineral's 2V. The two small white dots mark the melatopes - the points
where the two optic axes emerge - and are shown only when they fall within the
field of view. The coloured bands are isochromatics, and the dark bands are
isogyres.
Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
None
Pleochroism:
Non-pleochroic
Chemistry of Batagayite
Mindat Formula:
CaZn2(Zn,Cu)6(PO4)4[PO3OH]3 · 12H2O
Element Weights:
Crystallography of Batagayite
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Cell Parameters:
a = 8.4264(4) Å, b = 12.8309(6) Å, c = 14.6928 Å
β = 98.514(6)°
β = 98.514(6)°
Ratio:
a:b:c = 0.657 : 1 : 1.145
Unit Cell V:
1571.05 ų
Z:
2
Morphology:
Blades, flattened on {001} and elongated on [100].
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 14.59 Å | (100) |
| 6.34 Å | (25) |
| 6.02 Å | (11) |
| 4.864 Å | (37) |
| 4.766 Å | (13) |
| 3.102 Å | (20) |
| 2.678 Å | (11) |
| 2.411 Å | (16) |
Reference:
Yakovenchuk, Victor N., Pakhomovsky, Yakov A., Konopleva, Nataliya G., Panikorovskii, Taras L., Bazai, Ayya, Mikhailova, Julia A., Bocharov, Vladimir N., Ivanyuk, Gregory Yu., Krivovichev, Sergey V. (2018) Batagayite, CaZn2(Zn,Cu)6(PO4)4(PO3OH)3·12H2O, a new phosphate mineral from Këster tin deposit (Yakutia, Russia): occurrence and crystal structure. Mineralogy and Petrology, 112 (4) 591-601 doi:10.1007/s00710-017-0551-x
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47c : [Carbonates, phosphates, borates, nitrates] |
Type Occurrence of Batagayite
General Appearance of Type Material:
Blades up to 2 mm long, often in radial aggregates.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical museum of the St. Petersburg State University, Russia, No. 19659/1
Empirical Formula of Type Material:
(Zn6.22Cu1.04Ca0.70Mg0.49Mn0.21Al0.15Na0.14K0.05Cd0.03)Σ9.03(P6.89Si0.11)Σ7.00O24.91(OH)3.09·12.10H2O
Chemical Analysis of Type Material:
| Na2O | 0.31 % |
|---|---|
| MgO | 1.39 % |
| Al2O3 | 0.55 % |
| SiO2 | 0.48 % |
| P2O5 | 34.37 % |
| K2O | 0.17 % |
| CaO | 2.76 % |
| MnO | 1.03 % |
| CuO | 5.80 % |
| ZnO | 35.62 % |
| CdO | 0.24 % |
| H2O | 16.83 % |
| Total: | 99.55 % |
Associated Minerals at Type Locality:
Reference:
Yakovenchuk, Victor N., Pakhomovsky, Yakov A., Konopleva, Nataliya G., Panikorovskii, Taras L., Bazai, Ayya, Mikhailova, Julia A., Bocharov, Vladimir N., Ivanyuk, Gregory Yu., Krivovichev, Sergey V. (2018) Batagayite, CaZn2(Zn,Cu)6(PO4)4(PO3OH)3·12H2O, a new phosphate mineral from Këster tin deposit (Yakutia, Russia): occurrence and crystal structure. Mineralogy and Petrology, 112 (4) 591-601 doi:10.1007/s00710-017-0551-x
Synonyms of Batagayite
Other Language Names for Batagayite
Dutch:Batagayiet
German:Batagayit
Related Minerals - Strunz-mindat Grouping
| 8.C0. | Mikehowardite | Fe3+4(V5+O4)4(H2O)2 · H2O |
| 8.C0. | Domerockite | Cu4(AsO4)(AsO3OH)(OH)3 · H2O |
Other Information
Notes:
easily dissolves in 10% room-temperature HCl.
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 Batagayite
mindat.org URL:
https://www.mindat.org/min-51825.html
Please feel free to link to this page.
Please feel free to link to this page.
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Mineral Dealers:
References for Batagayite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 37. Mineralogical Magazine, 81 (3) 737-742 doi:10.1180/minmag.2017.081.039
Yakovenchuk, Victor N., Pakhomovsky, Yakov A., Konopleva, Nataliya G., Panikorovskii, Taras L., Bazai, Ayya, Mikhailova, Julia A., Bocharov, Vladimir N., Ivanyuk, Gregory Yu., Krivovichev, Sergey V. (2018) Batagayite, CaZn2(Zn,Cu)6(PO4)4(PO3OH)3·12H2O, a new phosphate mineral from Këster tin deposit (Yakutia, Russia): occurrence and crystal structure. Mineralogy and Petrology, 112 (4) 591-601 doi:10.1007/s00710-017-0551-x
Localities for Batagayite
Showing 1 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Hålenius et al. (2017) +1 other reference |
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