Adamant

A synonym

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Sapphire

Gem gravels, Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Diamond

South Africa

Sapphire, etc.

Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar

Sapphire

Grand Etang alluvial deposits, Andelot River watershed, Saint-Didier-la-Forêt, Vichy, Allier, Auvergne-Rhône-Alpes, France

Sapphire

Gem gravels, Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Diamond

South Africa

Sapphire, etc.

Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar

Sapphire

Grand Etang alluvial deposits, Andelot River watershed, Saint-Didier-la-Forêt, Vichy, Allier, Auvergne-Rhône-Alpes, France

Sapphire

Gem gravels, Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Diamond

South Africa

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About AdamantHide

Synonym of:

Corundum, Diamond

Synonym of diamond and corundum [Chester, 1896, 3 - "Dict. Names Min"].

Unique IdentifiersHide

Mindat ID:

Long-form identifier:

mindat:1:1:20:4

GUID
(UUID V4):

b5740ac0-2210-42fd-8fd1-453a24012d57

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Pressure (GPa)	Temp (K)
0009325	Corundum	Lewis J, Schwarzenbach D, Flack H D (1982) Electric field gradients and charge density in corundum alpha-Al2O3 Acta Crystallographica A38 733-739	1982		0	293
0009327	Corundum	Kirfel A, Eichhorn K (1990) Accurate structure analysis with synchrotron radiation. The electron density in Al2O3 and Cu2O Acta Crystallographica A46 271-284	1990	synthetic	0	293
0009699	Corundum	Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S (1980) A structural investigation of alpha-Al2O3 at 2170 K Acta Crystallographica B36 228-230	1980		0	300
0009700	Corundum	Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S (1980) A structural investigation of alpha-Al2O3 at 2170 K Acta Crystallographica B36 228-230	1980		0	2170
0010593	Corundum	Newnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-237	1962	synthetic	0	293
0010607	Corundum	Saalfeld H (1964) Strukturuntersuchungen im system Al2O3-Cr2O3 Zeitschrift fur Kristallographie 120 342-348	1964		0	293
0012859	Corundum	Lutterotti L, Scardi P (1990) Simultaneous structure and size-strain refinement by the Rietveld method _cod_database_code 1000032 Journal of Applied Crystallography 23 246-252	1990		0	293
0012914	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		0	293
0012915	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		2.8	293
0012916	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		4.2	293
0012917	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		6	293
0012918	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		7.4	293
0012919	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		8.1	293
0012920	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		9	293
0012921	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		0.0001	293
0012922	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		1.1	293
0012923	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		2.1	293
0012924	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		2.8	293
0012925	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		3.5	293
0012926	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		4.6	293
0012927	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		8	293
0014072	Corundum	Wang X, Hubbard C, Alexander K, Becher P (1994) Neutron diffraction measurements of the residual stresses in Al2O3 - ZrO2 (CeO2) ceramic composites _cod_database_code 1000059 Journal of the American Ceramic Society 77 1569-1575	1994		0	293
0014077	Corundum	Pauling L, Hendricks S B (1925) Crystal structures of hematite and corundum Journal of the American Chemical Society 47 781-790	1925	Ceylon	0	293
0015110	Corundum	Tsirelson V, Antipin M, Gerr R, Ozerov R, Struchkov Y (1985) Ruby structure peculiarities derived from X-ray data. Localization of chromium atoms and electron deformation density _cod_database_code 1000017 Physica Status Solidi A87 425-433	1985		0	293
0017671	Corundum	Zachariasen W (1928) Untersuchungen ueber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 _cod_database_code 1010951 Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1928 1-165	1928		0	293
0011242	Diamond	Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 7-83	1963		0	293
0012842	Diamond	Hom T, Kiszenick W, Post B (1975) Accurate lattice constants from multiple reflection mesurements II. lattice constants of germanium, silicon and diamond Journal of Applied Crystallography 8 457-458	1975	unknown	0	298
0013983	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Journal of Solid State Chemistry 148 278-285	1999		0	293
0013984	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Journal of Solid State Chemistry 148 278-285	1999		0	293
0013985	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Journal of Solid State Chemistry 148 278-285	1999		0	293
0013986	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Journal of Solid State Chemistry 148 278-285	1999		0	293
0013987	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition VDW terms Journal of Solid State Chemistry 148 278-285	1999		0	293
0013991	Diamond	Fayos J (1999) Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Journal of Solid State Chemistry 148 278-285	1999		0	293
0014081	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	283
0014082	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	293
0014083	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	303
0014084	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	313
0014085	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	323
0014086	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	283
0014087	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	293
0014088	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	303
0014089	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	313
0014090	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	323
0014091	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	283
0014092	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	293
0014093	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	303
0014094	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	313
0014095	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	323
0014096	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	283
0014097	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	293
0014098	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	303
0014099	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	313
0014100	Diamond	Straumanis M E, Aka E Z (1951) Precision determination of lattice parameter, coefficient of thermal expansion and atomic weight of carbon in diamond Journal of the American Chemical Society 73 5643-5646	1951	Belgian Congo	0	323
0014673	Diamond	Riley D P (1944) Lattice constant of diamond and the C-C single bond Nature 153 587-588	1944	commercial diamond dust sieved to obtain small crystals	0	291

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Corundum'
loop_
_publ_author_name
'Lewis J'
'Schwarzenbach D'
'Flack H D'
_journal_name_full 'Acta Crystallographica, Section A'
_journal_volume 38 
_journal_year 1982
_journal_page_first 733
_journal_page_last 739
_publ_section_title
;
 Electric field gradients and charge density in corundum alpha-Al2O3
;
_database_code_amcsd 0009325
_chemical_formula_sum 'Al2 O3'
_cell_length_a 4.7602
_cell_length_b 4.7602
_cell_length_c 12.9933
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 254.977
_exptl_crystal_density_diffrn      3.984
_symmetry_space_group_name_H-M 'R -3 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,1/2+z'
  '2/3+x,1/3+x-y,5/6+z'
  '1/3+x,2/3+x-y,1/6+z'
  'y,x,1/2-z'
  '2/3+y,1/3+x,5/6-z'
  '1/3+y,2/3+x,1/6-z'
  '-x+y,y,1/2+z'
  '2/3-x+y,1/3+y,5/6+z'
  '1/3-x+y,2/3+y,1/6+z'
  '-x,-x+y,1/2-z'
  '2/3-x,1/3-x+y,5/6-z'
  '1/3-x,2/3-x+y,1/6-z'
  '-y,-x,1/2+z'
  '2/3-y,1/3-x,5/6+z'
  '1/3-y,2/3-x,1/6+z'
  'x-y,-y,1/2-z'
  '2/3+x-y,1/3-y,5/6-z'
  '1/3+x-y,2/3-y,1/6-z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Al   0.00000   0.00000   0.35216
O   0.30624   0.00000   0.25000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Al 0.00279 0.00279 0.00296 0.00140 0.00000 0.00000
O 0.00327 0.00341 0.00365 0.00163 0.00047 0.00094