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Sharyginite

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About SharyginiteHide

Formula:
Ca3TiFe2O8
Colour:
Dark brown
Lustre:
Sub-Metallic
Hardness:
5½ - 6
Specific Gravity:
3.943 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honour of Victor Victorovich Sharygin (b.1964) from the Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia. He is a mineralogist, and expert on alkaline and pyrometamorphic rocks. He worked on xenolith specimens with sharyginite from Eifel and published some preliminary data on the mineral.
The Fe analogue of shulamitite.

The crystal structure of sharyginite is closely related to that of shulamitite.


Classification of SharyginiteHide

Approved
Approval Year:
2017
First Published:
2018

Physical Properties of SharyginiteHide

Sub-Metallic
Transparency:
Opaque
Colour:
Dark brown
Streak:
Brown
Hardness:
5½ - 6 on Mohs scale
Hardness:
VHN25=621 - 649 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on (010) and imperfect along (001) and (100).
Fracture:
Irregular/Uneven
Density:
3.943 g/cm3 (Calculated)

Optical Data of SharyginiteHide

Type:
Anisotropic
Anisotropism:
Weak
Reflectivity:
470nmR1=16.1%R2= 15.5%
546nmR1=14.9%R2= 14.2%
589nmR1=14.6%R2= 14.1%
650nmR1=14.5%R2= 13.9%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 16.1%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Light grey
Internal Reflections:
Yellowish-brown (rare)
Pleochroism:
Weak
Comments:
Grey to very light grey

Chemical Properties of SharyginiteHide

Formula:
Ca3TiFe2O8

Crystallography of SharyginiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pmc21
Cell Parameters:
a = 5.423(2) Å, b = 11.150(8) Å, c = 5.528(2) Å
Ratio:
a:b:c = 0.486 : 1 : 0.496
Unit Cell V:
334.3 ų
Z:
2
Morphology:
Pinacoids {100}, {010} and {001}. Crystals are flattened on (010).

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.763Å(32)
2.712Å(27)
2.679Å(100)
1.936Å(36)
1.857Å(19)
1.580Å(18)
1.559Å(12)
1.341Å(11)
Comments:
From Type Description.

Type Occurrence of SharyginiteHide

General Appearance of Type Material:
Flat crystals up to 100 µm in length.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Leninskiy pr., 18/k2, 115162 Moscow, Russia, catalogue number 4958/1.
Empirical Formula of Type Material:
Ca3.00(Fe3+1.00Ti3 4+0.86Mn4+0.11Zr0.01Cr3+0.01Mg0.012(Fe3+0.76Al0.20Si0.04) Σ1.00O8
Geological Setting of Type Material:
Metacarbonate xenoliths in alkali basalt
Associated Minerals at Type Locality:
Reference:
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018) Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.

Synonyms of SharyginiteHide

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.

References for SharyginiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Juroszek,R.,Krüger,H., Galuskina, I.O., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J.,Krzykawski, T., Pautov, L.A. and Galuskin, E. V. (2017) Sharyginite, IMA 2017-014. CNMNC Newsletter No. 37, June 2017, page 741; Mineralogical Magazine: 81: 737–742.
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018) Sharyginite, Ca3TiFe2O8, a New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308. doi.org/10.3390/min8070308

Internet Links for SharyginiteHide

Localities for SharyginiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Styria
    • Südoststeiermark District
      • Bad Radkersburg
        • Klöch
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018): Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.
Germany (TL)
 
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mayen
        • Ettringen
          • Bellerberg volcano
Juroszek,R.,Krüger,H., Galuskina, I.O., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J.,Krzykawski, T., Pautov, L.A. and Galuskin, E. V. (2017) Sharyginite, IMA 2017-014. CNMNC Newsletter No. 37, June 2017, page 741; Mineralogical Magazine: 81: 737–742 ; Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018) Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308
    • Vulkaneifel
      • Hohenfels-Essingen
Ko Jansen
Hungary
 
  • Pest County
    • Szob District
      • Verőce
Szakáll, Sándor & Fehér, Béla. (2018). Sharyginite and shulamitite in high temperature metacarbonate xenoliths of basalt at Balatoncsicsó, Balaton Highland Volcanic Field, Hungary.
Israel
 
  • Hatrurim Formation
Juroszek, R.; Krüger, B.; Galuskina, I.; Krüger, H.; Tribus, M.; Kürsten, C. (2020) Raman Spectroscopy and Single-Crystal High-Temperature Investigations of Bentorite, Ca6Cr2(SO4)3(OH)12·26H2O. Minerals 10, 38.
Palestine
 
  • West Bank
    • Hatrurim Formation
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018): Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.
Russia
 
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018): Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.
  • Kabardino-Balkaria
    • Baksan Valley
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018): Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.
Ukraine
 
Juroszek, R., Krüger, H., Galuskina, I., Krüger, B., Jeżak, L., Ternes, B., Wojdyla, J., Krzykawski, T., Pautov, L., Galuskin, E. (2018): Sharyginite, Ca3TiFe2O8, A New Mineral from the Bellerberg Volcano, Germany. Minerals: 8: 308.
 
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