Osumilite Group
A group of related mineral species
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About Osumilite Group
Formula:
(XIIC)(IXB)2(VIA)2(IVT2)3[(IVT1)12O30]
C = most commonly K; sometimes Na, Ba, ◻; maybe Ca;
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;
T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;
T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;
T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;
T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.
A complex group of ring silicates; also known as "milarite group" (synonymous).
'UM1984-35-SiO:AlCaFeKMg' may be a K-, Ca- and Mg-rich member.
Various synthetic members are known.
Structurally related to the Tuhualite Group.
'UM1984-35-SiO:AlCaFeKMg' may be a K-, Ca- and Mg-rich member.
Various synthetic members are known.
Structurally related to the Tuhualite Group.
Unique Identifiers
Mindat ID:
29318
Long-form identifier:
mindat:1:1:29318:3
GUID
(UUID V4):
(UUID V4):
4848ff44-69f1-4dc3-9392-36cd45d4481c
Chemistry of Osumilite Group
Mindat Formula:
(XIIC)(IXB)2(VIA)2(IVT2)3[(IVT1)12O30]
C = most commonly K; sometimes Na, Ba, ◻; maybe Ca;
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;
T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;
T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.
C = most commonly K; sometimes Na, Ba, ◻; maybe Ca;
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;
T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;
T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0001458 | Armenite | Armbruster T, Czank M (1992) H2O ordering and superstructures in armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and TEM study sample from Remigny, Quebec, Canada American Mineralogist 77 422-430 | 1992 | 0 | 293 | ||
0002054 | Armenite | Armbruster T (1999) Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and 29Si MAS NMR study American Mineralogist 84 92-101 | 1999 | 0 | 293 | ||
0001158 | Brannockite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-600 | 1988 | 0 | 293 | ||
0001159 | Brannockite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-600 | 1988 | 0 | 293 | ||
0013386 | Chayesite | Nguyen N, Choisnet J, Raveau B (1980) Silicates synthetiques a structure milarite Journal of Solid State Chemistry 34 1-9 | 1980 | synthetic | 0 | 293 | |
0014509 | Chayesite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0014511 | Chayesite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0014512 | Chayesite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0005605 | Darapiosite | Ferraris G, Prencipe M, Puatov L A, Sokolova E V (1999) The crystal structure of darapiosite and a comparison with Li- and Zn-bearing minerals of the milarite group The Canadian Mineralogist 37 769-774 | 1999 | 0 | 293 | ||
0013387 | Eifelite | Nguyen N, Choisnet J, Raveau B (1980) Silicates synthetiques a structure milarite Journal of Solid State Chemistry 34 1-9 | 1980 | synthetic | 0 | 293 | |
0009423 | Merrihueite | Khan A A, Baur W H, Forbes W C (1972) Synthetic magnesian merrihueite, dipotassium pentamagnesium dodecasilicate: a tetrahedral magnesiosilicate framework crystal structure Acta Crystallographica B28 267-272 | 1972 | synthetic | 0 | 293 | |
0001415 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #25 from Guanajuato American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0001416 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #33 from Tittling American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0001417 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #35 from east Siberia American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0001418 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #30 from Rossing American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0001419 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #36 from Jaguaracu American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0001420 | Milarite | Hawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #37 from Strange Lake American Mineralogist 76 1836-1856 | 1991 | 0 | 293 | ||
0005174 | Milarite | Cerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-57 | 1980 | Kings Mt., North Carolina, USA | 0 | 293 | |
0005175 | Milarite | Cerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-57 | 1980 | Vezna west, Czechoslovakia | 0 | 293 | |
0005176 | Milarite | Cerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-57 | 1980 | Vezna west, Czechoslovakia | 0 | 293 | |
0006356 | Milarite | Armbruster T, Bermanec V, Wenger M, Oberhansli R (1989) Crystal chemistry of double-ring silicates: Structure of natural and dehydrated milarite at 100 K European Journal of Mineralogy 1 353-362 | 1989 | Val Giuf, Graubunden, Switzerland | 0 | 293 | |
0006357 | Milarite | Armbruster T, Bermanec V, Wenger M, Oberhansli R (1989) Crystal chemistry of double-ring silicates: Structure of natural and dehydrated milarite at 100 K European Journal of Mineralogy 1 353-362 | 1989 | 0 | 293 | ||
0000078 | Osumilite | Miyashiro A (1956) Osumilite, a new silicate mineral, and its crystal structure American Mineralogist 41 104-116 | 1956 | 0 | 293 | ||
0000188 | Osumilite | Brown G E, Gibbs G V (1969) Refinement of the crystal structure of osumilite American Mineralogist 54 101-116 | 1969 | 0 | 293 | ||
0001149 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001150 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001151 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001152 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001153 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001154 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites Japan-Hayasaki American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001155 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0001156 | Osumilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-594 | 1988 | 0 | 293 | ||
0006584 | Osumilite | Winter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-286 | 1995 | 0 | 293 | ||
0006585 | Osumilite | Winter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-286 | 1995 | 0 | 293 | ||
0006586 | Osumilite | Winter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-286 | 1995 | 0 | 293 | ||
0007256 | Osumilite | Seryotkin Y V, Sokol E V, Bakakin V V, Likhacheva A Y (2008) Pyrometamorphic osumilite: occurrence, paragenesis, and crystal structure as compared to cordierite European Journal of Mineralogy 20 191-198 | 2008 | South Urals, Russia | 0 | 293 | |
0007263 | Osumilite | Balassone G, Mormone A, Rossi M, Bernardi A, Fisch M, Armbruster T, Malsy K, Berger A (2008) Crystal chemical and structural characterization of an Mg-rich osumilite from Vesuvius volcano (Italy) European Journal of Mineralogy 20 713-720 | 2008 | Vesuvius volcano, Italy | 0 | 293 | |
0005217 | Poudretteite | Grice J D, Ercit T S, Van Velthuizen J, Dunn P J (1987) Poudretteite, KNa2B3Si12O30, a new member of the osumilite group from Mont Saint-Hilaire, Quebec, and its crystal structure The Canadian Mineralogist 25 763-766 | 1987 | Mont Saint-Hilaire, Quebec, Canada | 0 | 293 | |
0006360 | Roedderite | Armbruster T (1989) Crystal chemistry of double-ring silicates: structure of roedderite at 100 and 300 K T= 100 K European Journal of Mineralogy 1 715-718 | 1989 | 0 | 293 | ||
0006361 | Roedderite | Armbruster T (1989) Crystal chemistry of double-ring silicates: structure of roedderite at 100 and 300 K T= 300 K European Journal of Mineralogy 1 715-718 | 1989 | 0 | 293 | ||
0014510 | Roedderite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0014513 | Roedderite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0014514 | Roedderite | Alietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-662 | 1994 | Cancarix, Albacete province, Spain | 0 | 293 | |
0002224 | Sogdianite | Cooper M A, Hawthorne F C, Grew E S (1999) The crystal chemistry of sogdianite, a milarite-group mineral American Mineralogist 84 764-768 | 1999 | Dara-i-Pioz, Tadjikistan | 0 | 293 | |
0005692 | Sogdianite | Sokolova E V, Hawthorne F C, Pautov L A (2000) The crystal chemistry of Li-bearing minerals with the milarite-type structure: The crystal structure of end-member sogdianite The Canadian Mineralogist 38 853-859 | 2000 | Dara-i-Pioz, Tadjikistan | 0 | 293 | |
0001157 | Sugilite | Armbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-600 | 1988 | 0 | 293 | ||
0012494 | Shibkovite | Sokolova E V, Rybakov V B, Pautov L A (1999) Crystal structure of shibkovite Doklady Akademii Nauk SSSR 369 378-380 | 1999 | 0 | 293 | ||
0014724 | Almarudite | Mihajlovic T, Lengauer C L, Ntaflos T, Lolitsch U, Tillmanns E (2004) Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany Eastern Eifel volcanic area, Eifel, Germany Neues Jahrbuch fur Mineralogie, Abhandlungen 179 265-294 | 2004 | Bellerberg volcano lava field, 2 km N of Mayen, | 0 | 293 | |
0007066 | Trattnerite | Postl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P (2004) Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure European Journal of Mineralogy 16 375-380 | 2004 | 0 | 293 | ||
0007067 | Trattnerite | Postl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P (2004) Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure European Journal of Mineralogy 16 375-380 | 2004 | 0 | 293 | ||
0006096 | Oftedalite | Cooper M A, Hawthorne F C, Ball N A, Cerny P, Kristiansen R (2006) Oftedalite, (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, a new member of the milarite group from the Heftetjern pegmatite, Tordal, Norway: description and crystal structure The Canadian Mineralogist 44 943-949 | 2006 | Heftetjern pegmatite, Tordal, Norway | 0 | 293 | |
0014649 | Friedrichbeckeite | Lengauer C L, Hrauda N, Kolitsch U, Krickl R, Tillmanns E (2009) Friedrichbeckeite, K(_0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30], a new milarite-type mineral from the Bellerberg volcano, Eifel area, Germany Mineralogy and Petrology 96 221-232 | 2009 | Bellerberg volcano, Eifel area, Germany | 0 | 293 | |
0020413 | Agakhanovite-(Y) | Hawthorne F C, Abdu Y A, Ball N A, Cerny P, Kristiansen R (2014) Agakhanovite-(Y), ideally (YCa)2KBe3Si12O30, a new milarite-group mineral from the Heftetjern pegmatite, Tordal, Southern Norway: description and crystal structure American Mineralogist 99 2084-2088 | 2014 | Heftetjern pegmatite, Tordal, Norway | 0 | 293 |
CIF Raw Data - click here to close
Synonyms of Osumilite Group
Other Language Names for Osumilite Group
Simplified Chinese:大隅石族
Relationship of Osumilite Group to other Species
Group Members:
Agakhanovite-(Y) | K◻2(YCa)Be3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Almarudite | K◻2Mn2+2(Be2Al)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm |
Aluminosugilite | KNa2Al2Li3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Armenite | Ba(H2O)2Ca2Al3[Al3Si9O30] | Orth. mmm (2/m 2/m 2/m) : Pnna |
Berezanskite | K◻2Ti2Li3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Brannockite | K◻2Sn2Li3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Chayesite | K◻2Mg2(Mg2Fe3+)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Darapiosite | KNa2Mn2(Zn2Li)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Dusmatovite | K(K◻)Mn2+2Zn3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Eifelite | KNa2(MgNa)Mg3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Friedrichbeckeite | K(◻Na)Mg2(Be2Mg)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Klöchite | K◻2(Fe2+Fe3+)Zn3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
Laurentthomasite | K◻2Mg2(Be2Al)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Merrihueite | K(◻Na)Fe2+2Fe2+3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Milarite | K(◻H2O)Ca2(Be2Al)[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Oftedalite | K◻2(ScCa)Be3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Osumilite | K◻2Fe2+2Al3[Al2Si10O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Osumilite-(Mg) | K◻2Mg2Al3[Al2Si10O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Poudretteite | K◻2Na2B3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Roedderite | K(◻Na)Mg2Mg3[Si12O30] | Hex. 6 m2 : P62c |
Shibkovite | K(◻K)Ca2Zn3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Sogdianite | K◻2Zr2Li3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Sugilite | KNa2Fe3+2Li3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Trattnerite | ◻(◻)2Fe3+2Mg3[Si12O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
UM1990-73-SiO:KMnNaZn | K(KNa0.5◻0.5)(Mn1.5Na0.5)Zn3[Si12O30] | Hex. |
Unnamed (Mn3+-dominant analog of Sugilite) | KNa2Mn3+2Li3[Si12O30] | |
Yagiite | Na◻2Mg2Al3[Al2Si10O30] | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Minerals structurally related to group:
Emeleusite | Li2Na4Fe2Si12O30 | |
Faizievite | K2Na(Ca6Na)Ti4Li6[Si6O18]2[Si12O30]F2 |
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.
Internet Links for Osumilite Group
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https://www.mindat.org/min-29318.html
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References for Osumilite Group
Reference List:
Hawthorne, Frank C., Kimata, Mitsuyoshi, Cerny, Petr, Ball, Neil, Rossman, George R., Grice, Joel D. (1991) The crystal chemistry of the milarite-group minerals. American Mineralogist, 76 (11-12) 1836-1856
Localities for Osumilite Group
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany