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Tuliokite

A valid IMA mineral species
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About TuliokiteHide

Formula:
Na6BaTh(CO3)6 · 6H2O
Colour:
Colourless, white
Lustre:
Vitreous
Hardness:
3 - 4
Specific Gravity:
3.15
Crystal System:
Trigonal
Name:
Named after the Tuliok River which rises at Mt. Kukisvumchorr, Khibiny massif, Kola peninsula, Murmanskaja Oblast', Russia, where the mineral was first found (In Kirov Mine horizon + 252)
This page provides mineralogical data about Tuliokite.


Unique IdentifiersHide

Mindat ID:
4047
Long-form identifier:
mindat:1:1:4047:7

Similar NamesHide

Kuliokite-(Y)A valid IMA mineral speciesY4Al(SiO4)2(OH)2F5

IMA Classification of TuliokiteHide

Classification of TuliokiteHide

5.CB.50

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
B : With large cations (alkali and alkali-earth carbonates)
15.4.6.1

15 : HYDRATED NORMAL CARBONATES
4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1
11.9.6

11 : Carbonates
9 : Carbonates of Pb, Zr and Th

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
TliIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of TuliokiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Colourless, white
Comment:
May contain finely dispered inclusions of iron-bearing sulphides or solid organics which makes the color dark-grey to black.
Streak:
White
Hardness:
3 - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
3.15(1) g/cm3 (Measured)    3.25 g/cm3 (Calculated)

Optical Data of TuliokiteHide

Type:
Uniaxial (+)
RI values:
nω = 1.574(2) nε = 1.587(2)
Max. Birefringence:
δ = 0.013
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.

Surface Relief:
Moderate

Chemistry of TuliokiteHide

Mindat Formula:
Na6BaTh(CO3)6 · 6H2O
Element Weights:
Element% weight
O39.365 %
Th23.788 %
Na14.141 %
Ba14.078 %
C7.388 %
H1.240 %

Calculated from ideal end-member formula.
Common Impurities:
ORG

Chemical AnalysisHide

Crystallography of TuliokiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 14.175(7) Å, c = 8.605(4) Å
Ratio:
a:c = 1 : 0.607
Unit Cell V:
1,497.36 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Small prismatic crystals dominated by hexagonal prism {1120}, rhombohedral {1011} and pinacoidal {0001} faces.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0012481TuliokiteYamnova N A, Pushcharovsky D Yu, Voloshin A V (1990) Crystal structure of the tuliokite - a new natural Na, Ba, Th carbonate Doklady Akademii Nauk SSSR 310 99-10219900293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
22 : Hydration and low-? subsurface aqueous alteration (see also #23)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of TuliokiteHide

General Appearance of Type Material:
prismatic to rhombohedral crystals, to 4 mm.
Place of Conservation of Type Material:
Geology Museum, Kola Branch, Academy of Sciences, Apatity, 5947; Mining Institute, St. Petersburg, 2024/1; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, r430/2.
Geological Setting of Type Material:
Hydrothermal vein within urtite
Associated Minerals at Type Locality:

Synonyms of TuliokiteHide

Other Language Names for TuliokiteHide

Dutch:Tuliokiet
German:Tuliokit
Spanish:Tuliokita

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Tuliokite associated with ShortiteNa2Ca2(CO3)3

Related Minerals - Strunz-mindat GroupingHide

5.CB.Piilonenite-(Nd)NaNd(CO3)2(H2O)3Orth. 222 : P212121
5.CB.PaulišiteCa2Zn(CO3)3 · 2H2OMon. 2/m : B2/b
5.CB.05ThermonatriteNa2CO3 · H2OOrth. mmm(2/m2/m2/m) : Pmmm
5.CB.10NatronNa2CO3 · 10H2OMon. 2/m : P2/m
5.CB.15TronaNa3H(CO3)2 · 2H2OMon. 2/m
5.CB.20MonohydrocalciteCaCO3 · H2OTrig. 3 : P31
5.CB.25IkaiteCaCO3 · 6H2OMon. 2/m : B2/b
5.CB.30PirssoniteNa2Ca(CO3)2 · 2H2OOrth. mm2 : Fdd2
5.CB.35GaylussiteNa2Ca(CO3)2 · 5H2OMon. 2/m : B2/b
5.CB.40ChalconatroniteNa2Cu(CO3)2 · 3H2OMon. 2/m
5.CB.45BaylissiteK2Mg(CO3)2 · 4H2OMon. 2/m : P21/m

RadioactivityHide

Radioactivity:
Element % Content Activity (Bq/kg) Radiation Type
Uranium (U) 0.0000% 0 α, β, γ
Thorium (Th) 23.7878% 951,512 α, β, γ
Potassium (K) 0.0000% 0 β, γ

For comparison:

  • Banana: ~15 Bq per fruit
  • Granite: 1,000–3,000 Bq/kg
  • EU exemption limit: 10,000 Bq/kg

Note: Risk is shown relative to daily recommended maximum exposure to non-background radiation of 1000 µSv/year. Note that natural background radiation averages around 2400 µSv/year so in reality these risks are probably extremely overstated! With infrequent handling and safe storage natural radioactive minerals do not usually pose much risk.

Interactive Simulator:

Note: The mass selector refers to the mass of radioactive mineral present, not the full specimen, also be aware that the matrix may also be radioactive, possibly more radioactive than this mineral!

Activity:

DistanceDose rateRisk
1 cm
10 cm
1 m

The external dose rate (D) from a radioactive mineral is estimated by summing the gamma radiation contributions from its Uranium, Thorium, and Potassium content, disregarding daughter-product which may have a significant effect in some cases (eg 'pitchblende'). This involves multiplying the activity (A, in Bq) of each element by its specific gamma ray constant (Γ), which accounts for its unique gamma emissions. The total unshielded dose at 1 cm is then scaled by the square of the distance (r, in cm) and multiplied by a shielding factor (μshield). This calculation provides a 'worst-case' or 'maximum risk' estimate because it assumes the sample is a point source and entirely neglects any self-shielding where radiation is absorbed within the mineral itself, meaning actual doses will typically be lower. The resulting dose rate (D) is expressed in microsieverts per hour (μSv/h).

D = ((AU × ΓU) + (ATh × ΓTh) + (AK × ΓK)) / r2 × μshield

Other InformationHide

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 TuliokiteHide

References for TuliokiteHide

Localities for TuliokiteHide

Showing 1 localities.

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.
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Locality ListHide

- 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.
Russia (TL)
 
  • Murmansk Oblast
    • Kukisvumchorr Mt
Yakovenchuk et al. (1990) +1 other reference
 
and/or  
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