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Hiroseite

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Formula:
FeSiO3
Crystal System:
Orthorhombic
Name:
Named in honor of K. Hirose for his fundamental contributions to the discovery of the postperovskite phase in particular and to the mineralogy of mantle perovskite in general.
Isostructural with:
The Fe analogue of bridgmanite (the latter is likely the most common species on Earth).
First found and described by Bindi et al. (2020) from the Suizhou meteorite, a heavily shocked (S6) L6 chondrite that contains abundant high-pressure minerals.


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Classification of HiroseiteHide

Approved
Approval Year:
2019
First Published:
2020

Chemical Properties of HiroseiteHide

Formula:
FeSiO3

Crystallography of HiroseiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 5.0016(5) Å, b = 7.0031(3) Å, c = 4.8460(3) Å
Ratio:
a:b:c = 0.714 : 1 : 0.692
Unit Cell V:
169.74 ų
Z:
2
Morphology:
Grain.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.591Å(16)
2.468Å(56)
2.423Å(18)
1.751Å(68)
1.740Å(100)
1.434Å(26)
1.407Å(33)
1.231Å(27)

Geological EnvironmentHide

Paragenetic Mode(s):
•  Chondrite

Type Occurrence of HiroseiteHide

General Appearance of Type Material:
Found in an Fe-rich grain in shock melt. The core of this grain consists of hiroseite crystals in a matrix of Fe-bearing periclase, mantled by a rim of ringwoodite-ahrensite solid solution.
Place of Conservation of Type Material:
Mineralogical collections of the Museo di Storia Naturale, Università di Firenze, Via La Pira 4, I-50121, Firenze Italy, catalogue number 3238/I
Empirical Formula of Type Material:
(Fe2+0.44Mg0.37Fe3+0.10Al0.04Ca0.03Na0.02)Σ1(Si0.89Al0.11)Σ1O3
Geological Setting of Type Material:
The Suizhou meteorite, a heavily shocked (S6) L6 chondrite
Associated Minerals at Type Locality:

Synonyms of HiroseiteHide

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 HiroseiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bindi, L., Xie, X. (2019) Hiroseite, IMA 2019-019. CNMNC Newsletter No. 50; Mineralogical Magazine: 31, doi: 10.1180/mgm.2019.46; http://forum.amiminerals.it/viewtopic.php?f=5&t=15578&sid=813c77a70706fa166a7b80754bd6a1e5 (visited 23.07.2019)
Bindi, L., Shim, S-H., Sharp, T.G., Xie, X. (2020) Evidence forthe charge disproportionation of iron in extraterrestrial bridgmanite. Science Advances 6(2) (eaay 7893).

Internet Links for HiroseiteHide

Localities for HiroseiteHide

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.
China (TL)
 
  • Hubei
    • Suizhou
      • Zengdu District (Cengdou District)
        • Xihe
Bindi L., Xie X. (2019): Hiroseite, IMA 2019-019. CNMNC Newsletter No. 50; Mineralogical Magazine: 31, ; Bindi, L., Shim, S-H., Sharp, T.G., Xie, X. (2020) Evidence forthe charge disproportionation of iron in extraterrestrial bridgmanite. Science Advances 6(2) (eaay 7893).
 
Mineral and/or Locality  
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