Gazeevite (original) (raw)
A valid IMA mineral species
About GazeeviteHide
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Formula:
BaCa6(SiO4)2(SO4)2O
Specific Gravity:
3.39 (Calculated)
Name:
In honor of Dr. Viktor Magalimovich Gazeev (Виктор Магалимович Газеев) (b. 1954), research staff-member of Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry Russian Academy of Sciences (IGEM RAS), Moscow and of Vladikavkaz Scientific Center of the Russian Academy of Sciences, Vladikavkaz, Republic of North Ossetia-Alania, Russia. He is the discoverer of unique xenoliths within the Upper Chegem Caldera (Gazeev et al., 2006), where more than 20 new mineral species were discovered, co-authored by him.
Co-Type Localities:
ⓘ NW slope, Shadil-Khokh volcano, Kel’ volcanic area, Greater Caucasus Mountain Range, South Ossetia, Georgia
ⓘ W slope, Har Parsa (Mt. Parsa), Hatrurim Basin, Tamar Regional Council, Southern District (HaDarom District), Israel
ⓘ Nahal Darga, Bethlehem Governorate, West Bank, Palestine
ⓘ Jebel Harmun (Jabel Harum), Quds Governorate, West Bank, Palestine
One of a few Ba-Ca silicate-sulfate minerals, especially similar to dargaite and somewhat to wenkite. Structurally related to nabimusaite group (e.g., zadovite).
The structure is of modular-layered type, derived from that of hatrurite. More specifically, it has single (broken) antiperovskite layers [_WB_6](_T_O4)2 and is of gazeevite-zadovite type.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:46709:8
321fb331-c9a0-4255-8288-d6b0fb9eb6e3
IMA Classification of GazeeviteHide
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Type description reference:
Galuskin, E. V., Gfeller, F., Galuskina, I. O., Armbruster, T., Krzątała, A., Vapnik, Y., Kusz, J., Dulski, M., Gardocki, M., Gurbanov, A. G., Dzierżanowski, P. (2017) New minerals with a modular structure derived from hatrurite from the pyrometamorphic rocks. Part III. Gazeevite, BaCa6(SiO4)2(SO4)2O, from Israel and the Palestine Autonomy, South Levant, and from South Ossetia, Greater Caucasus. Mineralogical Magazine, 81 (3) 499-513 doi:10.1180/minmag.2016.080.105
Classification of GazeeviteHide
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9.AH.40
9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Gaz | 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 GazeeviteHide
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Hardness:
VHN50=353 - 473 kg/mm2 - Vickers
Cleavage:
Imperfect/Fair
(001)
Density:
3.39 g/cm3 (Calculated)
Optical Data of GazeeviteHide
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RI values:
_n_ω = 1.640(3) _n_ε = 1.636(2)
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Pleochroism:
Non-pleochroic
Chemistry of GazeeviteHide
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Mindat Formula:
BaCa6(SiO4)2(SO4)2O
Crystallography of GazeeviteHide
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Class (H-M):
3_m_ _(_32/m ) - Hexagonal Scalenohedral
Cell Parameters:
a = 7.1540(1) Å, c = 25.1242(5) Å
Unit Cell V:
1,113.58 ų (Calculated from Unit Cell)
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.015 Å | (36) |
| 3.106 Å | (41) |
| 3.074 Å | (47) |
| 2.792 Å | (53) |
| 2.778 Å | (100) |
| 2.637 Å | (25) |
| 2.205 Å | (43) |
| 2.122 Å | (36) |
Geological EnvironmentHide
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Geological Setting:
Larnite-bearing pyrometamorphic rocks (Hatrurim Complex)
Type Occurrence of GazeeviteHide
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Co-Type Localities:
ⓘ NW slope, Shadil-Khokh volcano, Kel’ volcanic area, Greater Caucasus Mountain Range, South Ossetia, Georgia
ⓘ W slope, Har Parsa (Mt. Parsa), Hatrurim Basin, Tamar Regional Council, Southern District (HaDarom District), Israel
ⓘ Nahal Darga, Bethlehem Governorate, West Bank, Palestine
ⓘ Jebel Harmun (Jabel Harum), Quds Governorate, West Bank, Palestine
General Appearance of Type Material:
Xenomorphic metacrysts up to 30–50 µm in size, sometimes with hexagonal outline.
Grain aggregates (grains up to 40 µm) filling space between prismatic crystals of nabimusaite-dargaite.
Place of Conservation of Type Material:
Museum of Natural History, Bern, Switzerland, cat. NMBE 43125.
A.E. Fersman Mineralogical Museum, Moscow, Russia, cat. 4713/1, 4713/2, 4713/3, and 4713/4.
Geological Setting of Type Material:
Altered xenolith within rhyodacites; results from HT alterations of the primary clinker assemblage, in the interaction with fluids from volcanic or combustion activity.
Associated Minerals at Type Locality:
Reference:
Galuskin, E.V., Gfeller, F., Galuskina, I.O., Armbruster, T., Krzątała, A., Vapnik, Y., Kusz, J., Dulski, M., Gardocki, M., Gurbanov, A.G., Dzierżanowski, P. (2017): New minerals with a modular structure derived from hatrurite from the pyrometamorphic rocks. Part III. Gazeevite, BaCa6(SiO4)2(SO4)2O, from Israel and the Palestine Autonomy, South Levant, and from South Ossetia, Greater Caucasus. Mineralogical Magazine: 81: 499-513.
Synonyms of GazeeviteHide
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Relationship of Gazeevite to other SpeciesHide
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Other Members of this group:
| Aradite | BaCa6[(SiO4)(VO4)](VO4)2F | Trig. 3_m_ : R_3_m |
|---|---|---|
| Stracherite | BaCa6(SiO4)2[(PO4)(CO3)]2F | Trig. 3_m_ _(_32/m ) : R_3_m |
| Zadovite | BaCa6[(SiO4)(PO4)](PO4)2F | Trig. 3_m_ : R_3_m |
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.AH. | Fluorbritholite-(Nd) | Ca2Nd3(SiO4)3F | Hex. 6/m : _P_63/m |
|---|---|---|---|
| 9.AH.05 | Iimoriite-(Y) | Y2[SiO4][CO3] | Tric. 1 : _P_1 |
| 9.AH.10 | Tundrite-(Ce) | Na2Ce2Ti(SiO4)(CO3)2O2 | Tric. 1 : _P_1 |
| 9.AH.10 | Tundrite-(Nd) | Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2 | |
| 9.AH.15 | Spurrite | Ca5(SiO4)2(CO3) | Mon. 2/m : _P_21/b |
| 9.AH.15 | Galuskinite | Ca7(SiO4)3(CO3) | Mon. 2/m : _P_21/b |
| 9.AH.20 | Ternesite | Ca5(SiO4)2(SO4) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 9.AH.20 | Silicocarnotite | Ca5[(SiO4)(PO4)](PO4) | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 9.AH.25 | Britholite-(Ce) | (Ce,Ca)5(SiO4)3OH | Hex. 6/m : _P_63/m |
| 9.AH.25 | Britholite-(Y) | (Y,Ca)5(SiO4)3OH | Hex. 6/m : _P_63/m |
| 9.AH.25 | Chlorellestadite | Ca5(SiO4)1.5(SO4)1.5Cl | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorbritholite-(Ce) | (Ce,Ca)5(SiO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorellestadite | Ca5(SiO4)1.5(SO4)1.5F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Hydroxylellestadite | Ca5(SiO4)1.5(SO4)1.5(OH) | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m c m |
| 9.AH.25 | Mattheddleite | Pb5(SiO4)1.5(SO4)1.5(Cl,OH) | Hex. 6/m : _P_63/m |
| 9.AH.25 | Tritomite-(Ce) | Ce5(SiO4,BO4)3(OH,O) | |
| 9.AH.25 | Tritomite-(Y) | Y5(SiO4,BO4)3(O,OH,F) | |
| 9.AH.25 | Fluorcalciobritholite | (Ca,REE)5(SiO4,PO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F | Hex. 6/m : _P_63/m |
| 9.AH.25 | Britholite-(La) | Ca2(La,Ce,Ca)3(SiO4,PO4)3(OH,F) | |
| 9.AH.25 | Calciobritholite | (Ca,Y)5(SiO4,PO4)3(OH) | |
| 9.AH.35 | Nabimusaite | KCa12(SiO4)4(SO4)2O2F | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.AH.35 | Dargaite | BaCa12(SiO4)4(SO4)2O3 | Trig. 3_m_ : R_3_m |
| 9.AH.40 | Zadovite | BaCa6[(SiO4)(PO4)](PO4)2F | Trig. 3_m_ : R_3_m |
| 9.AH.40 | Stracherite | BaCa6(SiO4)2[(PO4)(CO3)]2F | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.AH.45 | Flamite | Ca8-x(Na,K)x(SiO4)4-x(PO4)x | Orth. m _m_2 |
| 9.AH.50 | Byzantievite | Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 | Trig. 3 : _R_3 |
| 9.AH.55 | Greenwoodite | (Ba,V3+O)2V3+9(Fe3+,Fe2+)2Si2O22 | Trig. 3_m_ _(_32/m ) : _P_3_m_1 |
| 9.AH.60 | Kihlmanite-(Ce) | Ce2TiO2(SiO4)(HCO3)2(H2O) | Tric. 1 : _P_1 |
| 9.AH.65 | Tsangpoite | Ca5(PO4)2(SiO4) | Hex. |
| 9.AH.70 | Enalite | (Th,REE,Al) [(PO4),(SiO4),(OH)] | Tet. |
Fluorescence of GazeeviteHide
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Other InformationHide
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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 GazeeviteHide
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References for GazeeviteHide
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Reference List:
Galuskin, E. V., Gfeller, F., Galuskina, I. O., Armbruster, T., Krzątała, A., Vapnik, Y., Kusz, J., Dulski, M., Gardocki, M., Gurbanov, A. G., Dzierżanowski, P. (2017) New minerals with a modular structure derived from hatrurite from the pyrometamorphic rocks. Part III. Gazeevite, BaCa6(SiO4)2(SO4)2O, from Israel and the Palestine Autonomy, South Levant, and from South Ossetia, Greater Caucasus. Mineralogical Magazine, 81 (3) 499-513 doi:10.1180/minmag.2016.080.105
Localities for GazeeviteHide
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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
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