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Buryatite

A valid IMA mineral species
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06945160014947509911627.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
07316560014947509918265.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
06945160014947509911627.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
07316560014947509918265.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
06945160014947509911627.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
07316560014947509918265.jpg
Buryatite

Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
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About BuryatiteHide

05817490015814710081775.jpg
Flag of the Republic of Buryatia
Formula:
Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O
Colour:
Light gray with lilac tint
Lustre:
Dull
Hardness:
2½
Specific Gravity:
1.895 (Calculated)
Crystal System:
Trigonal
Name:
Named for the Republic of Buryatia, that includes the type locality. Buryatia lies mostly on the east side of Lake Baikal in the Russian Far East.
Ettringite Group.
Si-dominant analog of charlesite and sturmanite.


Unique IdentifiersHide

Mindat ID:
11186
Long-form identifier:
mindat:1:1:11186:1
GUID
(UUID V4):
5ebfe997-d4aa-4321-acbd-be49e2f8ae1c

IMA Classification of BuryatiteHide

Classification of BuryatiteHide

Strunz-mindat (2024):
7.DG.15

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

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
BuyIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
BurThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of BuryatiteHide

Lustre:
Dull
Transparency:
Transparent, Translucent
Colour:
Light gray with lilac tint
Streak:
White
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
Density:
1.895(10) g/cm3 (Calculated)

Optical Data of BuryatiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.523(3) nε = 1.532(3)
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Non-pleochroic

Chemistry of BuryatiteHide

Mindat Formula:
Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O
Elements listed:
Al, B, Ca, Fe, H, O, S, Si - search for minerals with similar chemistry

Crystallography of BuryatiteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
P3 1c
Cell Parameters:
a = 11.14(3) Å, c = 20.99(5) Å
Ratio:
a:c = 1 : 1.884
Unit Cell V:
2,255.87 ų (Calculated from Unit Cell)
Z:
4
Comment:
Pseudohexagonal Р31с?

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.596 Å(100)
2.121 Å(90)
9.70 Å(80)
1.498 Å(70)
2.736 Å(60)
2.374 Å(60)
1.833 Å(60)
Comments:
Solongo deposit, Buryatiya, Russia. Data are from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations

Type Occurrence of BuryatiteHide

Type Locality:
ⓘ Solongo B deposit, Ozernoe ore cluster, Yeravninsky District, Buryatia, Russia
General Appearance of Type Material:
Fine-grained aggregates and colorless hexagonal tabular crystals uр to 10 μm.
Place of Conservation of Type Material:
A. E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia
Associated Minerals at Type Locality:
VimsiteSakhaitePentahydroboriteMagnetiteKurchatovite
HexahydroboriteFroloviteFluoboriteFedorovskiteClinokurchatovite
Borcarite
Reference:
Malinko, S.V., Chukanov, N.V., Dubinchuk, V.T., Zadov, A.E., Koporulina, E.V. (2001) Buryatite Ca3(Si,Fe3+,Al)[SO4][B(OH)4](OH)5O·12H2O, a new mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 130(2): 72-78.
Download:
https://rruff.info/rruff_1.0/uploads/ZVMO130N2_72.pdf

Synonyms of BuryatiteHide

Other Language Names for BuryatiteHide

German:Buryatit
Simplified Chinese:羟硼钙矾石
Spanish:Buryatita

Relationship of Buryatite to other SpeciesHide

Member of:
Ettringite Group
Other Members of this group:
BentoriteCa6Cr2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
CarraraiteCa3(SO4)[Ge(OH)6](CO3) · 12H2OHex.
CharlesiteCa6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2OTrig. 3m : P3 1c
ChiyokoiteCa3Si(CO3)[B(OH)4]O (OH)5 · 12H2OHex. 6 : P63
EttringiteCa6Al2(SO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
HielscheriteCa3Si(SO4)(SO3)(OH)6 · 11H2OHex. 6 : P63
ImayoshiiteCa3Al(CO3)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex. 6 : P63
KottenheimiteCa 3Si(SO4)2(OH)6 · 12H2O Hex. 6/m : P63/m
Micheelsenite(Ca2Y)Al(PO3OH)(CO3)(OH)6 · 12H2OHex. 6 : P63
SiwaqaiteCa6Al2(CrO4)3(OH)12 · 26H2OTrig. 3m : P3 1c
SturmaniteCa6Fe3+2(SO4)2.5[B(OH)4](OH)12 · 25H2OTrig. 3m : P3 1c
TatarinoviteCa3Al(SO4)[B(OH)4](OH)6 · 12H2OHex. 6 : P63
ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
UM2008-07-CO:AlBCaHSSiCa6(Al,Si)2(CO3,SO4)2[B(OH)4](OH,O)12 · 26H2O
Unnamed (possible Mn(IV) analogue of Sturmanite)Ca6Mn4+2(SO4)2[B(OH)4](OH)10O2 · nH2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Buryatite associated with HenmiliteCa2Cu[B(OH)4]2(OH)4

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.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.25TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2OOrth.
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

Fluorescence of BuryatiteHide

In UV light:
Light-blue luminescence in UV.

Other InformationHide

Notes:
Dissolves in dilute Н2SO4 and 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 BuryatiteHide

References for BuryatiteHide

Localities for BuryatiteHide

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.
Japan
 
  • Okayama Prefecture
    • Takahashi City
      • Bitchū
        • Fuka
- (Igor Pekov analyses)
Russia (TL)
 
  • Buryatia
    • Yeravninsky District
      • Ozernoe ore cluster
American Mineralogist
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