Jingsuiite

TiB2
IMA status
  • Approved
IMA symbol
Ji
Also known as
  • Jingsuiiet

Where it forms, where it's found

Geological setting

Inclusions up to 50 μm across in corundum from a podiform chromitite orebody.

Type locality
Luobusha ophiolite ("Luobusa ophiolite")
  1. Qusum Co. (Qusong Co.)
  2. Shannan Prefecture (Lhokha Prefecture
  3. Lhoka Prefecture)
  4. Tibet
  5. China

29.1828°, 92.2967°

3recorded occurrences
Source · OpenStreetMap

Physical

Transparency
Opaque
Colour
black?

Crystallography

Crystal system
Hexagonal
Space group
P6/mmm
Cell parameters
a = 3.04(6) Å · c = 3.22(6) Å
Unit cell volume
25.8 ų
Z
1
Type-locality form

Rounded grain 40 μm across.

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
22TiTitaniumTitanium147.86747.867
68.89%
5BBoronBoron210.81021.620
31.11%
Total69.487100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From IMA formula

Synonyms

  • Jingsuiiet

In other languages

German
IMA 2018-117b · Jingsuiit

Classification

Strunz
10th ed.

1.B0.05

  • 1ElementsClass
  • 1.BMetallic Carbides, Silicides, Nitrides, Phosphides and HydridesDivision
  • 1.B0— unnamed intermediate level —Group
  • 1.B0.05JingsuiiteSpecies

Literature, links & citation

Citations
  1. 2019Pekov, I. V., Zubkova, N. V., Agakhanov, A. A., Belakovskiy, D. I., Vigasina, M. F., Yapaskurt, V. O., Britvin, S. N., Turchkova, A. G., Sidorov, E. G., Pushcharovsky, D. Y. (2019) CNMNC Newsletter No. 52, New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine, 83 (6) 887-893 doi:10.1180/mgm.2019.73DOI: 10.1180/mgm.2019.73
  2. 2020Griffin, William L., Gain, Sarah E.M., Saunders, Martin, Bindi, Luca, Alard, Olivier, Toledo, Vered, O'Reilly, Suzanne Y. (2020) Parageneses of TiB2 in corundum xenoliths from Mt. Carmel, Israel: Siderophile behavior of boron under reducing conditions. American Mineralogist, 105 (11) 1609-1621 doi:10.2138/am-2020-7375DOI: 10.2138/am-2020-7375
  3. 2022(2022) Jingsuiite. Handbook of Mineralogy. Mineralogical Society of America
  4. 2022Xiong, Fahui, Xu, Xiangzhen, Mugnaioli, Enrico, Gemmi, Mauro, Wirth, Richard, Grew, Edward S., Robinson, Paul T. (2022) Jingsuiite, TiB2, a new mineral from the Cr-11 podiform chromitite orebody, Luobusa ophiolite, Tibet, China: Implications for recycling of boron. American Mineralogist, 107 (1) 43-53 doi:10.2138/am-2021-7647DOI: 10.2138/am-2021-7647
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Jingsuiite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/jingsuiite-54032},
  note      = {Accessed 2026-05-11}
}