Arsenatrotitanite
A valid IMA mineral species
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About Arsenatrotitanite
Formula:
NaTi(AsO4)O
Colour:
brownish red, pale pinkish-reddish, almost colourless
Lustre:
Vitreous
Hardness:
5½
Specific Gravity:
3.950 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For being the Na and As analogue of titanite
Unique Identifiers
Mindat ID:
47915
Long-form identifier:
mindat:1:1:47915:4
GUID
(UUID V4):
(UUID V4):
9f22cb40-7154-48fb-860a-2c269df088f1
IMA Classification of Arsenatrotitanite
Approved
Approval year:
2016
First published:
2019
Type description reference:
Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Yapaskurt, Vasiliy O., Sidorov, Evgeny G., Britvin, Sergey N., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IX. Arsenatrotitanite, NaTiO(AsO4) Mineralogical Magazine, 83 (3) 453-458 doi:10.1180/mgm.2018.134
Classification of Arsenatrotitanite
8.BH.10
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
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 |
---|---|---|
Anttn | 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 Arsenatrotitanite
Vitreous
Transparency:
Transparent
Colour:
Brownish red, pale pinkish-reddish, almost colourless
Streak:
White
Hardness:
5½ on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Perfect
On {110}
On {110}
Fracture:
Step-Like
Density:
3.950 g/cm3 (Calculated)
Optical Data of Arsenatrotitanite
Type:
Biaxial (+)
RI values:
nα = 1.825(5) nβ = 1.847(6) nγ = 1.896(6)
2V:
Measured: 70° (5), Calculated: 69°
Max Birefringence:
δ = 0.071

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:
Very High
Dispersion:
strong, r> v
Pleochroism:
Strong
Comments:
Z (bright pink to, in thicker grains, carmin red) > Y(very pale pinkish to almost colourless) ≥ X(colourless)
Comments:
Y = b
Chemistry of Arsenatrotitanite
Mindat Formula:
NaTi(AsO4)O
Elements listed:
Crystallography of Arsenatrotitanite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 6.6979(3) Å, b = 8.7630(3) Å, c = 7.1976(3) Å
β = 114.805(5)°
β = 114.805(5)°
Ratio:
a:b:c = 0.764 : 1 : 0.821
Unit Cell V:
383.48 ų
Z:
4
Morphology:
Prismatic, tabular or lamellar, wedge-shaped
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.845 Å | (89) |
3.631 Å | (36) |
3.431 Å | (48) |
3.300 Å | (100) |
3.036 Å | (100) |
2.655 Å | (25) |
2.627 Å | (91) |
2.615 Å | (57) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
45a : [Sulfates, arsenates, selenates, antimonates] | |
45b : [Other oxidized fumarolic minerals] |
Type Occurrence of Arsenatrotitanite
General Appearance of Type Material:
Prismatic, tabular, lamellar or acicular crystals up to 0.3×0.8×2 mm. They are separated or combined in open-work aggregates up to 2 mm across or interrupted crusts up to 2x5 mm2 in area and up to 0.3 mm thick.
Place of Conservation of Type Material:
Collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia (registration number 4852/1)
Geological Setting of Type Material:
Fumarole
Associated Minerals at Type Locality:
Reference:
Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Belakovskiy, D.I., Vigasina, M.F., Yapaskurt, V.O., Sidorov, R.G., Britvin, S.N., Pushcharovsky, D.Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IX. Arsenatrotitanite, NaTiO(AsO4). Mineralogical Magazine: 83(3): 453-458.
Synonyms of Arsenatrotitanite
Relationship of Arsenatrotitanite to other Species
Member of:
Other Members of this group:
Durangite | NaAl(AsO4)F | Mon. 2/m : B2/b |
Isokite | CaMg(PO4)F | Mon. 2/m : B2/b |
Kononovite | NaMg(SO4)F | Mon. 2/m : B2/b |
Lacroixite | NaAl(PO4)F | Mon. 2/m : B2/b |
Maxwellite | NaFe3+(AsO4)F | Mon. 2/m : P2/m |
Panasqueiraite | CaMg(PO4)(OH) | Mon. |
Reznitskyite | CaMg(VO4)F | Mon. 2/m : B2/b |
Tilasite | CaMg(AsO4)F | Mon. |
Related Minerals - Strunz-mindat Grouping
8.BH. | Peterchinite | Zn3Zn2(OH)6As[O3(OH)3] |
8.BH. | Reznitskyite | CaMg(VO4)F |
8.BH. | Cuprozheshengite | Pb4CuZn2(AsO4)2(PO4)2(OH)2 |
8.BH. | Zheshengite | Pb4ZnZn2(AsO4)2(PO4)2(OH)2 |
8.BH. | Crimsonite | PbFe3+2(PO4)2(OH)2 |
8.BH.05 | Thadeuite | Ca(Mg,Fe2+)3(PO4)2(OH,F)2 |
8.BH.10 | Panasqueiraite | CaMg(PO4)(OH) |
8.BH.10 | Isokite | CaMg(PO4)F |
8.BH.10 | Lacroixite | NaAl(PO4)F |
8.BH.10 | Maxwellite | NaFe3+(AsO4)F |
8.BH.10 | Durangite | NaAl(AsO4)F |
8.BH.10 | Kononovite | NaMg(SO4)F |
8.BH.15 | Drugmanite | Pb2Fe3+(PO4)(PO3OH)(OH)2 |
8.BH.20 | Nigelcookite | PbFe2+2V3+2(PO4)3(OH)3 |
8.BH.20 | Plumbojohntomaite | PbFe2+2Fe3+2(PO4)3(OH)3 |
8.BH.20 | Cirrolite | Ca3Al2(PO4)3(OH)3 (?) |
8.BH.20 | Penikisite | Ba(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3 |
8.BH.20 | Perloffite | Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3 |
8.BH.20 | Bjarebyite Group | |
8.BH.20 | Strontioperloffite | SrMn2+2Fe3+2(PO4)3(OH)3 |
8.BH.20 | Plumboperloffite | PbMn2+2Fe3+2(PO4)3(OH)3 |
8.BH.20 | Johntomaite | BaFe2+2Fe3+2(PO4)3(OH)3 |
8.BH.20 | Bjarebyite | (Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3 |
8.BH.20 | Kulanite | Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3 |
8.BH.25 | Bertossaite | (Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4 |
8.BH.25 | Natropalermoite | Na2SrAl4(PO4)4(OH)4 |
8.BH.25 | Palermoite | (Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4 |
8.BH.30 | Sewardite | CaFe3+2(AsO4)2(OH)2 |
8.BH.30 | Carminite | PbFe3+2(AsO4)2(OH)2 |
8.BH.35 | Adelite | CaMg(AsO4)(OH) |
8.BH.35 | Duftite | PbCu(AsO4)(OH) |
8.BH.35 | Cobaltaustinite | CaCo(AsO4)(OH) |
8.BH.35 | Nickelaustinite | CaNi(AsO4)(OH) |
8.BH.35 | Gabrielsonite | PbFe3+(As3+O3)O |
8.BH.35 | Conichalcite | CaCu(AsO4)(OH) |
8.BH.35 | Arsendescloizite | PbZn(AsO4)(OH) |
8.BH.35 | Duftite-alpha | PbCu(AsO4)(OH) |
8.BH.35 | Gottlobite | CaMg(VO4)(OH) |
8.BH.35 | Austinite | CaZn(AsO4)(OH) |
8.BH.35 | Hermannroseite | CaCu(PO4)(OH) |
8.BH.35 | Tangeite | CaCu(VO4)(OH) |
8.BH.40 | Čechite | PbFe2+(VO4)(OH) |
8.BH.40 | Khorixasite | (Bi0.67◻0.33)Cu(VO4)(OH) |
8.BH.40 | Mottramite | PbCu(VO4)(OH) |
8.BH.40 | Descloizite | PbZn(VO4)(OH) |
8.BH.40 | Pyrobelonite | PbMn2+(VO4)(OH) |
8.BH.45 | Bayldonite | PbCu3(AsO4)2(OH)2 |
8.BH.45 | Vésigniéite | BaCu3(VO4)2(OH)2 |
8.BH.50 | Paganoite | NiBi(AsO4)O |
8.BH.55 | Jagowerite | BaAl2(PO4)2(OH)2 |
8.BH.55 | Harrisonite | Ca(Fe2+,Mg)6(PO4)2(SiO4)2 |
8.BH.60 | Attakolite | CaMn2+Al4(SiO3OH)(PO4)3(OH)4 |
8.BH.65 | Leningradite | PbCu3(VO4)2Cl |
8.BH.70 | Katiarsite | KTiO(AsO4) |
8.BH.70 | Yurgensonite | K2SnTiO2(AsO4)2 |
8.BH.75 | Melanarsite | K3Cu7Fe3+O4(AsO4)4 |
8.BH.80 | Evseevite | Na2Mg(AsO4)F |
8.BH.80 | Moraskoite | Na2Mg(PO4)F |
8.BH.85 | Piccoliite | NaCaMn3+2(AsO4)2O(OH) |
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 Arsenatrotitanite
mindat.org URL:
https://www.mindat.org/min-47915.html
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External Links:
References for Arsenatrotitanite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter No. 33. Mineralogical Magazine, 80 (6) 1135-1144 doi:10.1180/minmag.2016.080.085
Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Yapaskurt, Vasiliy O., Sidorov, Evgeny G., Britvin, Sergey N., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IX. Arsenatrotitanite, NaTiO(AsO4) Mineralogical Magazine, 83 (3) 453-458 doi:10.1180/mgm.2018.134
Localities for Arsenatrotitanite
Locality List




All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Pekov et al. (2019) |
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Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia