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7½ - 8
Member of:
Named after Sergei Mikhailovich Stishov, Crystallographer, Institute of Crystallography, Academy of Sciences, Moscow (Russia) who synthesized the compound.
Rutile Group.

A high-pressure polymorph of SiO2. Found as microscopic grains in impact craters and in ultra-high pressure rocks.

Classification of Stishovite


4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
A : With small cations: Silica family

4 : AX2

7 : Oxides and Hydroxides
8 : Oxides of Si URL:
Please feel free to link to this page.

First Recorded Occurrence of Stishovite

Year of Discovery:

Occurrences of Stishovite

Geological Setting:
Meteorite impact craters

Physical Properties of Stishovite

Diaphaneity (Transparency):
Hardness (Mohs):
7½ - 8
Hardness (Vickers):
VHN100=1700 - 2800 kg/mm2
Synthetic; 2080 parallel to [001], 1700 perpendicular [001]
4.35 g/cm3 (Measured)    4.29 g/cm3 (Calculated)
Synthetic material

Crystallography of Stishovite

Crystal System:
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
Cell Parameters:
a = 4.1772(7) Å, c = 2.6651(4) Å
a:c = 1 : 0.638
Unit Cell Volume:
V 46.50 ų (Calculated from Unit Cell)
Aggregates of submicron particles.
Synthetic material

Optical Data of Stishovite

Uniaxial (+)
RI values:
nω = 1.799 - 1.800 nε = 1.826 - 1.845
Max Birefringence:
δ = 0.027
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Stishovite

Essential elements:
All elements listed in formula:

Relationship of Stishovite to other Species

Member of:
Other Members of Group:
4.DA.10OpalSiO2 · nH2O
4.DA.25Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)
7.8.7Silhydrite3SiO2 · H2O
7.8.8OpalSiO2 · nH2O

Other Names for Stishovite

Name in Other Languages:

Other Information

Thermal Behaviour:
Forms at > 1200C and ~100 kilobars. Metastable, alters above 300C.
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 Stishovite

Reference List:
Stishov, S.M., Popova, S.V. (1961) A new modification of silica. Geochemistry, 10, 923-926.

Chao, E.C.T. et al (1962), Stishovite, a very high pressure new mineral from Meteor Crater, AZ, Journal of Geophysical Research: 67: 419-421.

American Mineralogist (1962): 47: 807.

Fahey J.J. (1964), Recovery of coesite and stishovite from Coconino Sandstone of Meteor Crater, AZ. American Mineralogist: 49, 1643-1647.

Bohn, E. & W. Stöber (1966), Coesit und Stishovit als isolierte natürliche Mineralien. Neues Jahrb. Min., 89-96.

Nature: 272: 714-715.

Hemley, R.J., Mao, H.-K., and Chao, E.C.T. (1986) Raman spectrum of natural and synthetic stishovite. Physics and Chemistry of Minerals: 13: 285-290.

Ross, N.L., Shu, J.F., Hazen, R.M., and Gasparik, T. (1990), High-pressure crystal chemistry of stishovite. American Mineralogist: 75: 739-747.

American Mineralogist (1990): 75: 951.

Pawley, A.R., Mcillan, P.F., and Holloway, J.R. (1993) Hydrogen in stishovite, with implications for mantle water content. Science: 261: 1024-1026.

Xue, X., Stebbins, J.F., and Kanzaki, M. (1993) A 29Si MAS NMR study of sub-Tg amorphization of stishovite at ambient pressure. Physics and Chemistry of Minerals: 19: 480-485.

Mao, H.-K., Shu, J., Hu, J., and Hemley, R.J. (1994), Single-crystal X-ray diffraction of stishovite to 65 GPa. Eos Transactions of the American Geophysical Union: 75: 662.

Kingma, K.J., Cohen, R.E., Hemley, R.J., and Mao, H.-K. (1995), Transformation of stishovite to a denser phase at lower-mantle pressures. Nature: 374: 243-245.

Lee, C. and Gonze, X. (1995), The pressure-induced ferroelastic phase transition of SiO2 stishovite. Journal of Physics: Condensed Matter: 7: 3693-3698.

Dubrovinsky, L.S. and Belonoshko, A.B. (1996), Pressure-induced phase transition and structural changes under deviatoric stress of stishovite to CaCl2-like structure. Geochimica et Cosmochimica Acta: 60: 3657-3663.

Li, B., Rigden, S.M., and Liebermann, R.C. (1996), Elasticity of stishovite at high pressure. Physics of the Earth and Planetary Interiors: 96: 113-127.

Zhang, J., Li, B., Utsumi, W., and Liebermann, R.C. (1996) In situ X-ray observations of the coesite-stishovite transition: reversed phase boundary and kinetics. Physics and Chemistry of Minerals: 23: 1-10.

Lee, C. and Gonze, X. (1997), SiO2 stishovite under high pressure: dielectric and dynamical properties and the ferroelastic phase transition. Physical review B: 56: 7321-7330.

Andrault, D., Fiquet, G., Guyot, F., and Hanfland, M. (1998), Pressure-induced Landau-type transition in stishovite. Science: 23: 720-724.

Carpenter, M.A., Hemley, R.J., and Mao, H.-K. (2000), High-pressure elasticity of stishovite and the P4 2/mnm ↔ Pnnm phase transition. Journal of Geophysical Research: 105: 10807-10816.

Chung, J.I. and Kagi, H. (2002) High concentration of water in stishovite in the MORB system. Geophysical Research Letters: 29, 2020, DOI: 10.1029/2002GL015579.

Andrault, D., Angel, R.J., Mosenfelder, J.L., and Le Bihan, T. (2003). Equation of state of stishovite to lower mantle pressures. American Mineralogist: 88: 301-307.

Stebbins, J.F., Du, L.-S., Kelsey, K., Kojitani, H., Akaogi, M., and Ono, S. (2006) Aluminum substitution in stishovite and MgSiO3 perovskite: High-resolution 27 Al NMR. American Mineralogist: 91: 337-343.

Internet Links for Stishovite

Localities for Stishovite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Shohei Kaneko, Eiji Ohtani, Masaaki Miyahara, Takeshi Sakai, Masahiro Kayama, Hirotsugu Nishido, Yasuo Oishi, Naohisa Hirao (2011) Dynamic event recorded in a lunar meteorite NWA 4734. Japan Geooscience Union Meeting Makuhari, Chiba Japan.
  • Baden-Württemberg
    • Nördlinger Ries Crater
      • Unterschneidheim
        • Zipplingen
Stähle, V., Altherr, R., Koch, M., and Nasdala, L. (2008): Contributions to Mineralogy and Petrology 155, 457-472.
  • Bavaria
    • Swabia
      • Nördlinger Ries Crater
        • Nördlingen
Stähle, V., Altherr, R., Koch, M., and Nasdala, L. (2008): Contributions to Mineralogy and Petrology 155, 457-472.
  • Maharashtra
    • Buldhana District
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
  • Katsina State
Zhidong Xie et al. , Lunar and Planetary Science XXXVI (2005), 1216.pdf
  • Yobe State
    • Bogga Dingare
Garvie, L. A. J.; Németh, P.; Buseck, P. R. (2011). Diamond, Bucky-Diamond, Graphite-Diamond, Al-Silicate, and Stishovite in the Gujba CB Chondrite. 74th Annual Meeting of the Meteoritical Society, held August 8-12, 2011 in London, UK. Published in Meteoritics and Planetary Science Supplement, id. #5227.
  • Far-Eastern Region
    • Koriak Autonomous Okrug
      • Koryak Upland (Koriak; Koriakskhiye)
        • Iomrautvaam Massif
          • Chetkinvaiam tectonic melange
            • Khatyrka river
              • Listvenitovyi Stream
Bindi, L., Steinhardt, P.J., Yao, N., Lu, P.J. (2011) Icosahedrite, Al63Cu24Fe13, the first natural quasicrystal. American Mineralogist, 96, 928-931.
South Africa
  • Free State Province
    • Fezile Dabi District
Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa.
  • Norrbotten
    • Pajala
      • Kitkiöjärvi
Holtstam, D., Broman, C., Söderhielm, J., Dan; Broman, C.; Söderhielm, J.; Zetterqvist, A. (2003): First discovery of stishovite in an iron meteorite. Meteoritics & Planetary Science (Meteoritical Society). 38 (11): 1579–1583
  • Arizona
    • Coconino Co.
      • Winslow
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 383; Chao, E.C.T., et al (1962), Stishovite, a very high pressure new mineral from Meteor Crater, AZ, Jour. Geophys. Res.: 67: 419-421; Fahey, J.J. (1964), Recovery of coesite and stishovite from Coconino Sandstone of Meteor Crater, AZ, Am.Min.: 49: 1643-1647; Bohn, E. & W. Stöber (1966), Coesit und Stishovit als isolierte natürliche Mineralien, Neues Jahrb. Min.: 89-96; Gigl, P.D. & F. Dachille (1968), Effect of pressure and temperature on the reversal transitions of stishovite, Meteorites: 4: 123-136; J. Geophys. Res. 67 (1962), 419.
  • Indiana
    • Newton Co.
      • Kentland
  • New Mexico
    • Colfax Co.
Minerals of New Mexico 3rd ed.
  • Oklahoma
    • Johnston Co.
  • Texas
    • Randall Co.
Zhidong Xie et al. , Lunar and Planetary Science XXXVI (2005), 1216.pdf
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