ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0012468	Imandrite	Chernitsova N M, Pudovkina Z V, Voronkov A A, Ilyukhin V V, Pyatenko Y A (1980) Imandrite Na12Ca3Fe2[Si6O18]2 - a representative of a new branch in the lovozerite structural family Doklady Akademii Nauk SSSR 252 618-621		1980		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Imandrite'
loop_
_publ_author_name
'Chernitsova N M'
'Pudovkina Z V'
'Voronkov A A'
'Ilyukhin V V'
'Pyatenko Y A'
_journal_name_full 'Doklady Akademii Nauk SSSR'
_journal_volume 252 
_journal_year 1980
_journal_page_first 618
_journal_page_last 621
_publ_section_title
;
 Imandrite Na12Ca3Fe2[Si6O18]2 - a representative of
 a new branch in the lovozerite structural family
;
_database_code_amcsd 0012468
_chemical_formula_sum 'Na6 Ca1.5 Fe Si6 O18'
_cell_length_a 10.331
_cell_length_b 10.546
_cell_length_c 7.426
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 809.068
_exptl_crystal_density_diffrn      2.916
_symmetry_space_group_name_H-M 'P m n n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  'x,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1   0.00000   0.00000   0.50000   1.00000   0.00241
Na2   0.24070   0.23340   0.02070   1.00000   0.02039
Na3   0.50000   0.00000   0.00000   1.00000   0.05028
Ca   0.50000   0.25490   0.75630   0.75000   0.01216
Fe   0.00000   0.00000   0.00000   1.00000   0.01254
Si1   0.27230   0.99200   0.71520   1.00000   0.00874
Si2   0.50000   0.21840   0.25640   1.00000   0.00975
O1   0.00000   0.19900   0.93500   1.00000   0.02584
O2   0.12800   0.37600   0.75500   1.00000   0.03014
O3   0.50000   0.29000   0.07300   1.00000   0.01900
O4   0.36400   0.44400   0.69700   1.00000   0.02128
O5   0.32900   0.12100   0.78700   1.00000   0.02457
O6   0.24000   0.00000   0.50000   1.00000   0.03660

Relationship of Imandrite Subgroup to other SpeciesHide

Member of:

Lovozerite Group

Other Members of Lovozerite Group:

Koashvite Subgroup
Zirsinalite-Lovozerite Subgroup

Imandrite Subgroup Members:

Imandrite

Na₁₂Ca₃Fe³⁺₂(Si₆O₁₈)₂

Orth. mmm (2/m 2/m 2/m)

Other InformationHide

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 Imandrite SubgroupHide

mindat.org URL:

https://www.mindat.org/min-52603.html
Please feel free to link to this page.

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References for Imandrite SubgroupHide

Reference List:

Pekov, Igor V., Krivovichev, Sergey V., Zolotarev, Andrey A., Yakovenchuk, Viktor N., Armbruster, Thomas, Pakhomovsky, Yakov A. (2009) Crystal chemistry and nomenclature of the lovozerite group. European Journal of Mineralogy, 21 (5) 1061-1071 doi:10.1127/0935-1221/2009/0021-1957

Localities for Imandrite SubgroupHide

This 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.

Locality ListHide

- 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.


China
Shaanxi Baoji Taibai County ⓘ Shuangwang Au deposit	[Imandrite] Yang et al. (2022)

Russia
Murmansk Oblast Khibiny Massif ⓘ Rasvumchorr Mt	[Imandrite] Nikischer (2023)
ⓘ Vuonnemiok River Valley	[Imandrite] Khomyakov et al. (1979) +1 other reference

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