Buryatite (original) (raw)

A valid IMA mineral species

About BuryatiteHide

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Formula:

Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O

Colour:

Light gray with lilac tint

Specific Gravity:

1.895 (Calculated)

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.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:11186:1

5ebfe997-d4aa-4321-acbd-be49e2f8ae1c

IMA Classification of BuryatiteHide

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Type description 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)45O·12H2O, a new mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 130(2): 72-78.

Classification of BuryatiteHide

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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

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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.

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

Physical Properties of BuryatiteHide

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Transparency:

Transparent, Translucent

Colour:

Light gray with lilac tint

Density:

1.895(10) g/cm3 (Calculated)

Optical Data of BuryatiteHide

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RI values:

_n_ω = 1.523(3) _n_ε = 1.532(3)

δ = 0.009

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Pleochroism:

Non-pleochroic

Chemistry of BuryatiteHide

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Mindat Formula:

Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O

Crystallography of BuryatiteHide

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Class (H-M):

3_m_ - Ditrigonal Pyramidal

Cell Parameters:

a = 11.14(3) Å, c = 20.99(5) Å

Unit Cell V:

2,255.87 ų (Calculated from Unit Cell)

Comment:

Pseudohexagonal Р31с?

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Solongo deposit, Buryatiya, Russia. Data are from the type description.

Geological EnvironmentHide

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Type Occurrence of BuryatiteHide

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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:

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.

Synonyms of BuryatiteHide

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Other Language Names for BuryatiteHide

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Relationship of Buryatite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of BuryatiteHide

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Light-blue luminescence in UV.

Other InformationHide

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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

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References for BuryatiteHide

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Reference List:

Malinko, S.V., Chukanov, N.V., Dubinchuk, V.T., Zadov, A.E., Koporulina, E.V. (2001) Buryatite Ca3(Si,Fe3+,Al)[SO4]B(OH)45O·12H2O, a new mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 130(2): 72-78.

Localities for BuryatiteHide

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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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- 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.