Bridgmanite

MgSiO3
IMA status
  • Approved
IMA symbol
Bdm
Discovered
2009
IMA approved
2014
Also known as
  • Bridgmaniet
  • IMA2014-017
  • Silicate-perovskite
  • +1 more

Where it forms, where it's found

Geological setting

As submicrometer-sized crystals in shock-induced melt veins in the Tenham meteorite.

Major constituent of the lower mantle

Type locality
Tenham meteorite
  1. Tenham Station
  2. Windorah
  3. Barcoo Shire
  4. Queensland
  5. Australia

-25.7333°, 142.9500°

5recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Orthorhombic
Space group
Pnma
Cell parameters
a = 5.02(3) Å · b = 6.90(3) Å · c = 4.81(2) Å
Ratio a:b:c
1 : 1.375 : 0.958
Crystal structure

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen315.99947.997
47.81%
14SiSiliconSilicon128.08528.085
27.98%
12MgMagnesiumMagnesium124.30524.305
24.21%
Total100.387100.00%

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

From IMA formula

Synonyms

  • Bridgmaniet
  • IMA2014-017
  • Silicate-perovskite
  • UM1997-53-SiO:FeMg

In other languages

French
bridgmanite
German
Bridgmanit · Silikat-Perowskit
Spanish
Bridgmanita
Italian
Bridgmanite
Portuguese
bridgmanite
Japanese
ケイ酸塩ペロブスカイト · ブリッジマナイト
Arabic
بريدجمانيت

Classification

Strunz
10th ed.

9.H0

  • 9SilicatesClass
  • 9.HUnclassified silicatesDivision
  • 9.H0— unnamed intermediate level —Group
  • 9.H0BridgmaniteSpecies

Group, growth & confusion

In the same group
1 members
Commonly confused with
4 minerals

Literature, links & citation

Citations
  1. Fu, S., Chariton, S., Zhang, Y., Okuchi, T., Prakapenka, V.B., Lin, J.-Fu (2023): Single-Crystal X-ray Diffraction on the Structure of (Al,Fe)-bearing Bridgmanite in the Lower Mantle. American Mineralogist, 108, (in press).
  2. 2012Murakami, Motohiko, Ohishi, Yasuo, Hirao, Naohisa, Hirose, Kei (2012) A perovskitic lower mantle inferred from high-pressure, high-temperature sound velocity data. Nature, 485 (7396). 90-94 doi:10.1038/nature11004DOI: 10.1038/nature11004
  3. 2014Ma, C., Tschauner, O. (2014) Earth-building Bridgemanite, Caltech Press release, Katie Neith, http://www.caltech.edu/content/earth-building-bridgmanite.
  4. 2014Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) New minerals and nomenclature modifications approved in 2014, CNMNC Newsletter No 21. Mineralogical Magazine, 78 (4) 797-804 doi:10.1180/minmag.2014.078.4.03DOI: 10.1180/minmag.2014.078.4.03
  5. 2014Tschauner, Oliver, Ma, Chi, Beckett, John R., Prescher, Clemens, Prakapenka, Vitali B., Rossman, George R. (2014) Discovery of bridgmanite, the most abundant mineral in Earth, in a shocked meteorite. Science, 346 (6213). 1100-1102 doi:10.1126/science.1259369DOI: 10.1126/science.1259369
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Bridgmanite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/bridgmanite-45900},
  note      = {Accessed 2026-05-11}
}