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Tatarskite

A valid IMA mineral species
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About TatarskiteHide

07438330015818118191672.jpg
Vitaly B. Tatarsky
Formula:
Ca6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2O
Colour:
Colourless to very pale yellow.
Lustre:
Vitreous, Pearly
Hardness:
Specific Gravity:
2.341
Crystal System:
Orthorhombic
Name:
Named after Vitaly Borisovich Tatarsky (Виталий Борисович Татарский) (5 November 1907, Pskov, Russian Empire - 27 February 1993, Russia), professor of mineralogy, Leningrad State University (Russia). He researched sedimentary rocks and was a specialist in crystal optics.
This page provides mineralogical data about Tatarskite.


Unique IdentifiersHide

Mindat ID:
3894
Long-form identifier:
mindat:1:1:3894:8
GUID
(UUID V4):
d8abb937-8cf2-4ce5-bdbb-0b1f813c8fa5

IMA Classification of TatarskiteHide

Classification of TatarskiteHide

7.DG.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
G : With large and medium-sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
32.4.2.1

32 : COMPOUND SULFATES
4 : Hydrated Compound Sulfates containing Hydroxyl or Halogen
12.2.9

12 : Carbonates with other anions
2 : Carbonates with sulphate

Mineral SymbolsHide

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

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

Physical Properties of TatarskiteHide

Vitreous, Pearly
Transparency:
Transparent
Comment:
pearly on cleavage
Colour:
Colourless to very pale yellow.
Hardness:
2½ on Mohs scale
Cleavage:
Distinct/Good
Two sets of distinct pinacoidal cleavages
Density:
2.341 g/cm3 (Measured)    

Optical Data of TatarskiteHide

Type:
Biaxial (-)
RI values:
nα = 1.567(2) nβ = 1.654(2) nγ = 1.722(2)
2V:
Measured: 83° , Calculated: 83°
Max Birefringence:
δ = 0.155
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemistry of TatarskiteHide

Mindat Formula:
Ca6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2O

Crystallography of TatarskiteHide

Crystal System:
Orthorhombic
Morphology:
coarsely crystalline masses, to 3 cm.
Comment:
Point Group: n.d.; Space Group: n.d. Z = n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.967 Å(10)
2.625 Å(9)
5.34 Å(8)
2.004 Å(8)
2.917 Å(7)
1.585 Å(7)
2.522 Å(6)
2.310 Å(6)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
25 : Evaporites (prebiotic)

Type Occurrence of TatarskiteHide

General Appearance of Type Material:
coarsely crystalline masses, to 3 cm.
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, 948/1-2; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 79820.
Geological Setting of Type Material:
Secondary mineral from marine salt deposit
Associated Minerals at Type Locality:
Reference:
Lobanova, V.V. (1963) The new mineral tatarskite. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 92(6): 697-702.

Other Language Names for TatarskiteHide

Related Minerals - Strunz-mindat GroupingHide

7.DG.MathesiusiteK5(UO2)4(SO4)4(VO5) · 4H2OTet. 4/m : P4/n
7.DG.05DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m : P21/m
7.DG.10Clinoungemachite(Na, K, Fe, SO4)Mon. 2/m
7.DG.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.10UngemachiteK3Na8Fe(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
7.DG.15BentoriteCa6Cr2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15CharlesiteCa6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2OTrig. 3m : P3 1c
7.DG.15EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
7.DG.15SturmaniteCa6Fe3+2(SO4)2.5[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
7.DG.15ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
7.DG.15CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.
7.DG.15BuryatiteCa3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2OTrig. 3m : P3 1c
7.DG.15BiruniteCa18(SiO3)8.5(CO3)8.5SO4 · 15H2O(?)
7.DG.15HielscheriteCa3Si(SO4)(SO3)(OH)6 · 11H2OHex. 6 : P63
7.DG.15KottenheimiteCa 3Si(SO4)2(OH)6 · 12H2O Hex. 6/m : P63/m
7.DG.15ImayoshiiteCa3Al(CO3)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
7.DG.15TatarinoviteCa3Al(SO4)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
7.DG.15SiwaqaiteCa6Al2(CrO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
7.DG.15ChiyokoiteCa3Si(CO3)[B(OH)4]O (OH)5 · 12H2OHex. 6 : P63
7.DG.20RapidcreekiteCa2(SO4)(CO3) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
7.DG.30NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2OOrth.
7.DG.35Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
7.DG.40CarlosruiziteK6(Na,K)4Na6Mg10(SeO4)12(IO3)12 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DG.40FuenzalidaiteK6(Na,K)4Na6Mg10(SO4)12(IO3)12 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DG.45Chelyabinskite(Ca,Mg)3(SO4,CO3)2[Si(OH)6] · 9H2O (?)Orth.
7.DG.55Ramazzoite[Mg8Cu12(PO4)(CO3)4(OH)24(H2O)20][(H0.33SO4)3(H2O)36]Iso. 4 3m : P4 3m
7.DG.60WitzkeiteNa4K4Ca(NO3)2(SO4)4 · 2H2O Mon. 2/m : B2/b

Other InformationHide

Notes:
Soluble in boiling H2O
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 TatarskiteHide

References for TatarskiteHide

Localities for TatarskiteHide

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

- 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.
Kazakhstan (TL)
 
  • Aktobe Region
    • Shalkar District
      • Aksai Valley
Lobanova (1963) +2 other references
  • Atyrau Region
    • Inder District
Evseev (1995)
 
Mineral and/or Locality  
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