Garnet Structural Group
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Formula:
X3Z2(TO4)3
X = Ca, Fe, etc., Z = Al, Cr, etc., T = Si, As, V, etc.
System:
Isometric
Name:
Named from granatum (a pomegranate) for its resemblance to seeds of this fruit.
A group of cubic and pseudocubic nesosilicates, arsenates, vanadates and members with TO4 groups where T = Al, Fe3+, Te.
Found in many rock types.
Note: on Mindat garnet is used as a group name encompassing the common silicate garnets (almandine, spessartine, grossular, andradite etc.).
Found in many rock types.
Note: on Mindat garnet is used as a group name encompassing the common silicate garnets (almandine, spessartine, grossular, andradite etc.).
Classification of Garnet Structural Group
Optical Data of Garnet Structural Group
Type:
Isotropic
Chemical Properties of Garnet Structural Group
Formula:
X3Z2(TO4)3
X = Ca, Fe, etc., Z = Al, Cr, etc., T = Si, As, V, etc.
X = Ca, Fe, etc., Z = Al, Cr, etc., T = Si, As, V, etc.
Crystallography of Garnet Structural Group
Crystal System:
Isometric
Crystallographic forms of Garnet Structural Group
Crystal Atlas:
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Garnet no.1 - Goldschmidt (1913-1926)
Garnet no.2 - Goldschmidt (1913-1926)
Garnet no.3 - Goldschmidt (1913-1926)
Garnet no.55 - Goldschmidt (1913-1926)
Garnet no.84 - Goldschmidt (1913-1926)
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Relationship of Garnet Structural Group to other Species
Group Members:
| Almandine | Fe32+Al2(SiO4)3 |
| Andradite | Ca3Fe23+(SiO4)3 |
| Berzeliite | (NaCa2)Mg2(AsO4)3 |
| Bitikleite Group | |
| Bitikleite | Ca3SbSn(AlO4)3 |
| Dzhuluite | Ca3SbSnFe33+O12 |
| Elbrusite | Ca3U6+ZrFe23+Fe2+O12 |
| Usturite | Ca3SbZr(Fe3+O4)3 |
| Blythite | Mn32+Mn23+[SiO4]3 |
| Calderite | (Mn2+,Ca)3(Fe3+,Al)2(SiO4)3 |
| Goldmanite | Ca3V23+(SiO4)3 |
| Grossular | Ca3Al2(SiO4)3 |
| Henritermierite | Ca3(Mn3+,Al)2(SiO4)2(OH)4 |
| Hutcheonite | Ca3Ti2(SiAl2)O12 |
| Irinarassite | Ca3Sn2Al2SiO12 |
| Katoite | Ca3Al2(SiO4)3-x(OH)4x |
| Kerimasite | Ca3Zr2(SiO4)(Fe3+O4)2 |
| Khoharite | Mg3Fe23+(SiO4)3 |
| Kimzeyite | Ca3(Zr,Ti)2((Si,Al,Fe3+)O4)3 |
| Knorringite | Mg3Cr2(SiO4)3 |
| Majorite | Mg3(Fe2+,Si,Al)2(SiO4)3 |
| Menzerite-(Y) | {(Y,REE),(Ca,Fe2+)}3{(Mg,Fe2+),(Fe3+,Al)}2[SiO4]3 |
| Momoiite | (Mn2+,Ca)3V23+(SiO4)3 |
| Morimotoite | Ca3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3 |
| Palenzonaite | (Ca,Na)3CaMn22+(VO4)3 |
| Pyrope | Mg3Al2(SiO4)3 |
| Schäferite | Ca2NaMg2(VO4)3 |
| Schorlomite | Ca3(Ti,Fe3+)2((Si,Fe3+)O4)3 |
| Skiagite | Fe32+Fe23+[SiO4]3 |
| Spessartine | Mn32+Al2(SiO4)3 |
| Toturite | Ca3Sn2(SiO4)(Fe3+O4)2 |
| UM1984-37-SiO:CrMn | Mn32+(Cr3+,Mn3+)2Si3O12 |
| Uvarovite | Ca3Cr2(SiO4)3 |
| Yafsoanite | Ca3Zn3(TeO6)2 |
Minerals chemically related to group:
| Cryolithionite | Na3Li3[AlF6]2 |
Other Names for Garnet Structural Group
Name in Other Languages:
Bulgarian:Гранат
Croatian:Granati
Czech:Granát
Esperanto:Grenato
Estonian:Granaadid
Finnish:Granaatti
Georgian:გრანატები
German:Granatgruppe
Eisensteinflöße
Eisensteinflöße
Hebrew:גארנט
Japanese:柘榴石
Lithuanian:Granatas
Persian:لعل
Portuguese:Granada
Russian:Гранат
Slovak:Skupina granátu
Spanish:Granates
Swedish:Granater
Ukrainian:Гранати
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Garnet Structural Group in petrology
An essential component of (items highlighted in red)
Common component of (items highlighted in red)
References for Garnet Structural Group
Reference List:
Hutton, Colin Osborne (1962), Composition of some garnets in low-grade schists Royal Society of New Zealand Geology 1: 129-133.
McConnell, D. (1964): Refringence of garnets and hydrogarnets. Canadian Mineralogist 8, 11-22
Evans, B.W. (1965), Microprobe study of zoning in eclogite garnets: Geol. Soc. Amer. Abstract with Program: 54.
Sobolev, N.V., Jr., Kuznetsova, I.K., and Zyuzin, N.I. (1968) The petrology of grospydite xenoliths from the Zagadochnaya Kimberlite pipe in Yakutia. Journal of Petrology: 9: 253-280.
Dudley, P.P. (1969), Electron microprobe analyses of garnets in glaucophane schists and associated eclogites: American Mineralogist: 54: 1139-1150.
Sawatzky, G.A., Van Der Woude, F., and Morrish, A.H. (1969) Recoilness-fraction ratio for 57Fe in octahedral and tetrahedral sites of a spinel and a garnet. Physical Reviews: 183(2): 383-386.
Reid, A.M., Brown, R.W., DAwson, J.B., Whitfield, G.G., and Siebert, J.C. (1976) Garnet and pyroxene compositions in some diamondiferous eclogites. Contributions to Mineralogy and Petrology: 58: 203-220.
Green, T.H. (1977) Garnet in silicic liquids and its possible use as a P-T indicator. Contributions to Mineralogy and Petrology: 65: 59-67.
Kolesnik, Y.N., Nogteva, V.V., and Paukov, I.Y. (1977) The specific heat of pyrope at 13 to 300 K and the thermodynamic parameters of some natural varieties of garnet. Geochemistry International 1977: 126-133.
Newton, R.C., Charlu, T.V., and Kleppa, O.J. (1977) Thermochemistry of high pressure garnets and clinopyroxenes in the system CaO-MgO-Al2O3-SiO2. Geochimica et Cosmochimica Acta: 41: 369-377.
Schwartz, K.B., Nolet, D.A., and Burns, R.G. (1980) Mössbauer spectroscopy and crystal chemistry of natural Fe-Ti garnets. American Mineralogist: 65: 142-153.
Smith, B.K. (1982), Plastic deformation of garnets; mechanical behavior and associated microstructures, 208 p. University of California, Berkeley, Berkeley, California.
Cecchini A., Franzini M., Troysi M.(1988): Nuovi dati sulla microdurezza dei granati. Atti Soc.Tosc.Sc.Nat., Mem., Serie A, 95, 21-28.
Bell, D.R., Ihinger, P.D., and Rossman, G.R. (1995) Quantitative analysis of trace OH in garnet and pyroxenes. American Mineralogist: 80: 465-474.
Mukhopadhyay, B., Holdaway, M.J., and Koziol, A.M. (1997) A statistical model of the thermodynamic mixing properties of Ca-Mg-Fe2+ garnets. American Mineralogist: 82: 165-181.
Nakano, T. and Ishikawa, Y. (1997) Chemical zoning of pegmatite garnets from the Ishikawa and Yamonoo areas, northeastern Japan. Geochem. Journal: 31: 105-118.
Kolesov, B.A. and Geiger, C.A. (1998) Raman spectra of silicate garnets. Physics and Chemistry of Minerals: 25: 142-151.
Voegele, V., J.I. Ando, P. Cordier, & R.C. Liebermann (1998a), Plastic deformation of silicate garnets; , High-pressure experiments. Physics of the Earth and Planetary Interiors: 108: 305-318.
Voegele, V., P. Cordier, V. Sautter, T.G. Sharp, J.M. Lardeaux, & F.O. Marques (1998b), Plastic deformation of silicate garnets; II, Deformation microstructures in natural samples. Physics of the Earth and Planetary Interiors: 108: 319-338.
Bofa Ballaran, T., Carpenter, M.A., Geiger, C.A., and Kozol, A. (1999) Local structural heterogeneity in garnet solid solutions. Physics and Chemistry of Minerals: 26: 554-569.
Wang, L., E.J. Essene, & . Zhang (1999a), Mineral inclusions in pyrope crystals from Garnet Ridge, Arizona, USA; implications for processes in the upper mantle: Contributions to Mineralogy and Petrology: 135: 164-178.
Wang, Z., S. Ji, T.E. Rivers, D.R.M.E. Pattison, & R.F.E. Martin (1999b), Defromations of silicate garnets; brittle-ductile transition and its geological implications, Mineral-scale processes in metamorphic petrology; the Kretz volume.The Canadian Mineralogist: 37(2): 525-541.
Arredondo, E.H. and Rossman, G.R. (2002) Feasibility of determining the quantitative OH content of garnets with Raman spectroscopy. American Mineralogist: 87: 307-311.
Wang, L., Essene, E.J., and Zhang, Y. (2000) Direct observation of immiscibility in pyrope-almandine-grossular garnet. American Mineralogist: 85: 41-46.
Geiger, C. A. (2013): Garnet: A key phase in nature, the laboratory, and technology. Elements 9, 447-452.
Galoisy, L. (2013): Garnet: From stone to star. Elements 9, 453-456.
Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., & Hålenius, U. (2013). Nomenclature of the garnet supergroup. American Mineralogist, 98(4), 785-811.
McConnell, D. (1964): Refringence of garnets and hydrogarnets. Canadian Mineralogist 8, 11-22
Evans, B.W. (1965), Microprobe study of zoning in eclogite garnets: Geol. Soc. Amer. Abstract with Program: 54.
Sobolev, N.V., Jr., Kuznetsova, I.K., and Zyuzin, N.I. (1968) The petrology of grospydite xenoliths from the Zagadochnaya Kimberlite pipe in Yakutia. Journal of Petrology: 9: 253-280.
Dudley, P.P. (1969), Electron microprobe analyses of garnets in glaucophane schists and associated eclogites: American Mineralogist: 54: 1139-1150.
Sawatzky, G.A., Van Der Woude, F., and Morrish, A.H. (1969) Recoilness-fraction ratio for 57Fe in octahedral and tetrahedral sites of a spinel and a garnet. Physical Reviews: 183(2): 383-386.
Reid, A.M., Brown, R.W., DAwson, J.B., Whitfield, G.G., and Siebert, J.C. (1976) Garnet and pyroxene compositions in some diamondiferous eclogites. Contributions to Mineralogy and Petrology: 58: 203-220.
Green, T.H. (1977) Garnet in silicic liquids and its possible use as a P-T indicator. Contributions to Mineralogy and Petrology: 65: 59-67.
Kolesnik, Y.N., Nogteva, V.V., and Paukov, I.Y. (1977) The specific heat of pyrope at 13 to 300 K and the thermodynamic parameters of some natural varieties of garnet. Geochemistry International 1977: 126-133.
Newton, R.C., Charlu, T.V., and Kleppa, O.J. (1977) Thermochemistry of high pressure garnets and clinopyroxenes in the system CaO-MgO-Al2O3-SiO2. Geochimica et Cosmochimica Acta: 41: 369-377.
Schwartz, K.B., Nolet, D.A., and Burns, R.G. (1980) Mössbauer spectroscopy and crystal chemistry of natural Fe-Ti garnets. American Mineralogist: 65: 142-153.
Smith, B.K. (1982), Plastic deformation of garnets; mechanical behavior and associated microstructures, 208 p. University of California, Berkeley, Berkeley, California.
Cecchini A., Franzini M., Troysi M.(1988): Nuovi dati sulla microdurezza dei granati. Atti Soc.Tosc.Sc.Nat., Mem., Serie A, 95, 21-28.
Bell, D.R., Ihinger, P.D., and Rossman, G.R. (1995) Quantitative analysis of trace OH in garnet and pyroxenes. American Mineralogist: 80: 465-474.
Mukhopadhyay, B., Holdaway, M.J., and Koziol, A.M. (1997) A statistical model of the thermodynamic mixing properties of Ca-Mg-Fe2+ garnets. American Mineralogist: 82: 165-181.
Nakano, T. and Ishikawa, Y. (1997) Chemical zoning of pegmatite garnets from the Ishikawa and Yamonoo areas, northeastern Japan. Geochem. Journal: 31: 105-118.
Kolesov, B.A. and Geiger, C.A. (1998) Raman spectra of silicate garnets. Physics and Chemistry of Minerals: 25: 142-151.
Voegele, V., J.I. Ando, P. Cordier, & R.C. Liebermann (1998a), Plastic deformation of silicate garnets; , High-pressure experiments. Physics of the Earth and Planetary Interiors: 108: 305-318.
Voegele, V., P. Cordier, V. Sautter, T.G. Sharp, J.M. Lardeaux, & F.O. Marques (1998b), Plastic deformation of silicate garnets; II, Deformation microstructures in natural samples. Physics of the Earth and Planetary Interiors: 108: 319-338.
Bofa Ballaran, T., Carpenter, M.A., Geiger, C.A., and Kozol, A. (1999) Local structural heterogeneity in garnet solid solutions. Physics and Chemistry of Minerals: 26: 554-569.
Wang, L., E.J. Essene, & . Zhang (1999a), Mineral inclusions in pyrope crystals from Garnet Ridge, Arizona, USA; implications for processes in the upper mantle: Contributions to Mineralogy and Petrology: 135: 164-178.
Wang, Z., S. Ji, T.E. Rivers, D.R.M.E. Pattison, & R.F.E. Martin (1999b), Defromations of silicate garnets; brittle-ductile transition and its geological implications, Mineral-scale processes in metamorphic petrology; the Kretz volume.The Canadian Mineralogist: 37(2): 525-541.
Arredondo, E.H. and Rossman, G.R. (2002) Feasibility of determining the quantitative OH content of garnets with Raman spectroscopy. American Mineralogist: 87: 307-311.
Wang, L., Essene, E.J., and Zhang, Y. (2000) Direct observation of immiscibility in pyrope-almandine-grossular garnet. American Mineralogist: 85: 41-46.
Geiger, C. A. (2013): Garnet: A key phase in nature, the laboratory, and technology. Elements 9, 447-452.
Galoisy, L. (2013): Garnet: From stone to star. Elements 9, 453-456.
Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., & Hålenius, U. (2013). Nomenclature of the garnet supergroup. American Mineralogist, 98(4), 785-811.
Internet Links for Garnet Structural Group
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https://www.mindat.org/min-1651.html
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