Szaibélyite (original) (raw)

A valid IMA mineral species - grandfathered

About SzaibélyiteHide

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Colour:

White to light yellow; colourless in transmitted light

Crystal System:

Monoclinic

Name:

Named in 1861 by Karl Ferdinand Peters in honor of Stephen Szaibely (Sjájbely) (1777-1855), mine surveyor of Rézbánya, Hungary, who found the first specimens in what is now the Băiţa Mining District (Baita Bihor), Romania.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3857:3

IMA Classification of SzaibélyiteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Classification of SzaibélyiteHide

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6.BA.15

6 : BORATES
B : Diborates
A : Neso-diborates with double triangles B2(O,OH)5; 2(2D); 2(2D) + OH, etc.

25.2.1.2

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
2 : Diborates

9.2.4

9 : Borates
2 : Borates of Be and Mg

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.

Physical Properties of SzaibélyiteHide

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Transparency:

Transparent, Translucent

Colour:

White to light yellow; colourless in transmitted light

Density:

2.62 g/cm3 (Measured)

Optical Data of SzaibélyiteHide

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RI values:

_n_α = 1.530 - 1.670 _n_β = 1.530 - 1.730 _n_γ = 1.550 - 1.740

δ = 0.020 - 0.070

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

Optical Extinction:

Parallel extinction

Comments:

X ∥ elongation; Z ⊥ flattening.

Chemistry of SzaibélyiteHide

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Crystallography of SzaibélyiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 12.577(2) Å, b = 10.393(2) Å, c = 3.139(1) Å
β = 95.88(2)°

Ratio:

a:b:c = 1.21 : 1 : 0.302

Unit Cell V:

408.15 ų (Calculated from Unit Cell)

Morphology:

Veinlets or masses with a felted or matted fibrous structure. Nodules, dense or chalky at times. Microscopically presents as minute laths or flattened fibers.

Comment:

Non-standard setting P21/a; Fe-enriched variety (from Internatsional’naya kimberlite pipe): P21/c

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Geological Setting:

Saline and borate deposits.
Magnesian skarns.

Type Occurrence of SzaibélyiteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

Loránd Eötvös University, Budapest, Hungary, E555.

Geological Setting of Type Material:

Synonyms of SzaibélyiteHide

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Other Language Names for SzaibélyiteHide

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Simplified Chinese:硼镁石

Traditional Chinese:硼鎂石

Varieties of SzaibélyiteHide

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Relationship of Szaibélyite to other SpeciesHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of SzaibélyiteHide

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Other InformationHide

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IR Spectrum:

Kebirnin'ya creek material [cm-1]: 3690w, 3560, 2975w, 2900w, 2760w, 2620sh, 2560w, 2495, 2030w, 1925, 1825w, 1465s, 1405sh, 1388s, 1274s, 1245s, 1223s, 1014, 981, 923, 841, 703s, 679, 623s, 563, 533, 508, 486, 440s, 400s

Notes:

Slowly soluble in acids.

An alteration product of Colemanite, Inyoite, and Hydroboracite (Inder deposits).

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 SzaibélyiteHide

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References for SzaibélyiteHide

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Reference List:

**Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.**pp.375-377

Zubkova, N.V., Pekov, I.V., Chukanov, N.V., Chaikovskiy, I.I., Yapaskurt, V.O., Pushcharovsky, D.Yu. (2020): The new Fe2+-rich variety of szaibélyite and its crystal-chemical peculiarities. Zapiski RMO (Proceedings of the Russian Mineralogical Society): 149(2): 72-79.

Localities for SzaibélyiteHide

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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.