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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

Occurrences of Stishovite

Type Occurrence of Stishovite

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

Elements listed in formula:

Relationship of Stishovite to other Species

Member of:
Other Members of Group:
4.DA.Carbon Dioxide IceCO2
4.DA.10OpalSiO2 · nH2O
4.DA.20MogániteSiO2 · nH2O
4.DA.25MelanophlogiteC2H17O5 · Si46O92
7.8.7SilhydriteSi3O6 · H2O
7.8.8OpalSiO2 · nH2O
7.8.9MogániteSiO2 · 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., Fahey, J.J., Littler, J., Milton, E.J. (1962) Stishovite, a very high pressure new mineral from Meteor Crater, AZ. Journal of Geophysical Research: 67: 419-421.

Fleischer, M. (1962) New mineral names - stishovite. American Mineralogist: 47: 807.

Preisinger, A. (1962) Struktur des Stishovits, Höchstdruck-SiO2. Naturwissenschaften: 49: 345.

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

Bohn, E. Stöber, W. (1966) Coesit und Stishovit als isolierte natürliche Mineralien. Neues Jahrbuch für Mineralogie, Monatshefte: 1966: 89-96.

Holm, J.L., Kleppa, O.J., Westrum, E.F. (1967) Thermodynamics of polymorphic transformations in silica. Thermal properties from 5 to 1070°K and pressure-temperature stability fields for coesite and stishovite. Geochimica et Cosmochimica Acta: 31: 2289-2307.

Sinclair, W., Ringwood, A.E. (1978) Single crystal analysis of the structure of stishovite. Nature: 272: 714-715.

Hemley, R.J., Mao, H.-K., 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., Gasparik, T. (1990) High-pressure crystal chemistry of stishovite. American Mineralogist: 75: 739-747.

Hofmeister, A.M., Xu, J., Akimoto, S. (1990) Infrared spectroscopy of synthetic and natural stishovite. American Mineralogist: 75: 951.

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

Xue, X., Stebbins, J.F., 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., 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., Mao, H.-K. (1995) Transformation of stishovite to a denser phase at lower-mantle pressures. Nature: 374: 243-245.

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

Dubrovinsky, L.S., 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., 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., 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., 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., Hanfland, M. (1998) Pressure-induced Landau-type transition in stishovite. Science: 23: 720-724.

Carpenter, M.A., Hemley, R.J., 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., 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., Le Bihan, T. (2003) Equation of state of stishovite to lower mantle pressures. American Mineralogist: 88: 301-307.

Panero, W.R, Benedetti, L.R., J. Raymond (2003) Equation of state of stishovite and interpretation of SiO2 shock-compression data. Journal of Geophysical Research: 108(B1): 1-5.

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

Pabst, W., Gregorová, E. (2013) Elastic properties of silica polymorphs - a review. Ceramics - Silikáty: 57: 167-184.

Internet Links for Stishovite URL:
Please feel free to link to this page.

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.
  • Mato Grosso
    • Juína
Cid, J. P., Nardi, L. V. S., Cid, C. P., Gisbert, P. E., & Balzaretti, N. M. (2014). Acid compositions in a veined-lower mantle, as indicated by inclusions of (K, Na)-Hollandite+ SiO 2 in diamonds. Lithos, 196, 42-53.
  • Matruh Governorate
    • East Uweinat Desert
Gian Paolo Sighinolfi, Chiara Elmi, Romano Serra, and Gabriele Contini (2014): High density silica phases as evidence of small-scale hypervelocity impacts: the Gebel Kamil Crater (Egypt). Periodico di Mineralogia 83, 299-312.
  • 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
  • Souss-Massa Region
    • Tata Province
Baziotis, I. P., Liu, Y., DeCarli, P. S., Melosh, H. J., McSween, H. Y., Bodnar, R. J., & Taylor, L. A. (2013). The Tissint Martian meteorite as evidence for the largest impact excavation. Nature Communications, 4, 1404.
  • ZZZ_localities_to_be_precised_in_Morocco
Barrat, J. A., Gillet, P., Sautter, V., Jambon, A., Javoy, M., Göpel, C., ... & Petit, E. (2001). The basaltic shergottite North West Africa 480: Petrology and geochemistry. Meteoritics and Planetary Science Supplement, 36, 14.
  • 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 (Kent)
  • 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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