Crystallography Open Database

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Searching space group like 'P -4 21 m'

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1531641 CIFAl B Be O7 Y2P -4 21 m7.267; 7.267; 4.708
90; 90; 90		248.626Kuz'micheva, G.M.; Rybakov, V.B.; Kutovoi, S.A.; Panyutin, V.L.; Oleinik, A.Yu.; Plashkarev, O.G.
Preparation, structure and properties of new laser crystals Y2 Si Be2 O7 and Y2 Al (Be B) O7
Neorganicheskie Materialy, 2002, 38, 72-77
9008195 CIFAl Ca Na O7 Si2P -4 21 m7.6344; 7.6344; 5.0513
90; 90; 90		294.41Louisnathan, S. J.
The crystal structure of synthetic soda melilite, CaNaAlSi2O7
Zeitschrift fur Kristallographie, 1970, 131, 314-321
4124695 CIF
HKL		Al Ca4 Mg1.5 O14 Si3.5P -4 21 m7.79644; 7.79644; 5.0119
90; 90; 90		304.65Zhiguo Xia; C.-G. Ma; Maxim Molokeev; Quanlin Liu; Karl Rickert; Kenneth Poeppelmeier
Chemical Unit Cosubstitution and Tuning of Photoluminescence in the Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor
Journal of the American Chemical Society, 2015, 137, 12494-12497
1525683 CIFAl0.07 Ca1.85 Fe0.02 Mg0.03 Mn0.04 Na0.14 O7 Pb0.01 Si2 Zn0.85P -4 21 m7.8; 7.8; 5
90; 90; 90		304.2Bindi, L.; Roethlisberger, F.; Czank, M.; Bonazzi, P.
Hardystonite from Franklin Furnace: a natural modulated melilite
American Mineralogist, 2001, 86, 747-751
9002568 CIFAl0.07 Ca1.86 Fe0.02 Mg0.03 Mn0.04 Na0.14 O7 Si2 Zn0.85P -4 21 m7.8; 7.8; 5
90; 90; 90		304.2Bindi, L.; Bonazzi, P.; Rothlisberger, F.
Hardystonite from Franklin Furnace: A natural modulated melilite
American Mineralogist, 2001, 86, 747-751
9007360 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.826; 7.826; 5.004
90; 90; 90		306.476Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 298 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007361 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.83; 7.83; 5.002
90; 90; 90		306.667Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 348 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007362 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.832; 7.832; 5.003
90; 90; 90		306.885Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 359 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007363 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.833; 7.833; 5.004
90; 90; 90		307.025Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 373 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007364 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.838; 7.838; 5.006
90; 90; 90		307.54Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 413 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007365 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.845; 7.845; 5.011
90; 90; 90		308.397Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 463 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007366 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.852; 7.852; 5.019
90; 90; 90		309.441Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 513 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007367 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.857; 7.857; 5.022
90; 90; 90		310.02Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 573 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007368 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.868; 7.868; 5.027
90; 90; 90		311.199Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 673 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9007369 CIFAl0.09 Ca1.87 K0.02 Mg0.96 Na0.1 O7 Si1.98 Sr0.02P -4 21 m7.879; 7.879; 5.032
90; 90; 90		312.38Bindi, L.; Bonazzi, P.
Incommensurate-normal phase transition in natural melilite: an in situ high-temperature X-ray single-crystal study Sample: San Venanzo, Italy; T = 773 K Note: xO1 and yO1 corrected by authors
Physics and Chemistry of Minerals, 2005, 32, 89-96
9000055 CIFAl0.4 Ca1.7 K0.1 Mg0.5 Na0.2 O7 Si2P -4 21 m7.789; 7.789; 5.018
90; 90; 90		304.435Smith, J. V.
Reexamination of the crystal structure of melilite
American Mineralogist, 1953, 38, 643-661
9015368 CIFAl0.41 Ca1.5 Fe0.16 Mg0.39 Na0.5 O7 Si2P -4 21 m7.76; 7.76; 5.029
90; 90; 90		302.834Mokeeva, V.; Makarov, E.
Isomorph in melilites: refining of crystal structure of akermanite and intermediate melilite
Geokhimiya, 1979, 10, 1541-1544
9005465 CIFAl0.46 Ca0.83 Fe0.29 Mg0.2 Mn0.03 Na0.72 O7 Si1.99 Sr0.45 Ti0.02 Zn0.01P -4 21 m7.764; 7.764; 5.095
90; 90; 90		307.125Bindi, L.; Bonazzi, P.; Fitton, J. G.
Crystal chemistry of strontian soda melilite from nephelinite lave of Mt. Etinde, Cameroon Sample: ET2
European Journal of Mineralogy, 2001, 13, 121-125
9005464 CIFAl0.47 Ca0.84 Fe0.29 Mg0.19 Mn0.03 Na0.71 O7 Si1.99 Sr0.45 Ti0.01 Zn0.02P -4 21 m7.754; 7.754; 5.101
90; 90; 90		306.695Bindi, L.; Bonazzi, P.; Fitton, J. G.
Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon Sample: ET1
European Journal of Mineralogy, 2001, 13, 121-125
9017542 CIFAl0.5 Ca1.52 Fe0.3 Mg0.2 Na0.48 O7 Si2P -4 21 m7.7661; 7.7661; 5.0297
90; 90; 90		303.353Wiedenmann, D.; Zaitsev, A. N.; Britvin, S. N.; Krivovichev, S. V.; Keller, J.
Alumoakermanite, (Ca,Na)2(Al,Mg,Fe2+)(Si2O7), a new mineral from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, northern Tanzania
Mineralogical Magazine, 2009, 73, 373-384

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