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Nacaphite

A valid IMA mineral species

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Photos of Nacaphite (6)

Nacaphite Gallery Search Photos of Nacaphite

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Nacaphite

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite, etc.

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite, etc.

Olenii Ruchei, The Carbonatite Stock in the vicinity of Tul'ilukht Bay, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite, etc.

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite, etc.

Olenii Ruchei, The Carbonatite Stock in the vicinity of Tul'ilukht Bay, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Nacaphite, etc.

Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

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About NacaphiteHide

Formula:

Na₂Ca(PO₄)F

Colour:

Colourless

Lustre:

Vitreous

Hardness:

Crystal System:

Monoclinic

Name:

Named for its composition, including sodium (NAtrium), CAlcium, and PHosphorus.

Type Locality:

ⓘ Rasvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

It may be in a homologous series with seidozerite, as suggested by some authors.

Unique IdentifiersHide

Mindat ID:

2824

Long-form identifier:

mindat:1:1:2824:6

GUID
(UUID V4):

42e0180d-b70c-42e1-b689-8d15160e9c57

IMA Classification of NacaphiteHide

IMA status:

Approved

Approval year:

1979

First published:

1980

Type description reference:

Khomyakov, A.P., Kazakova, M.E., Pushcharovskii, D.Y. (1980) Nacaphite, Na2CaPO4F, a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 109(1): 50-52.

Classification of NacaphiteHide

Strunz-mindat (2024):

8.BO.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H₂O
O : With only large cations, (OH, etc.):RO₄ about 1:1

Dana 8th ed.:

41.3.6.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
3 : (AB)₃(XO₄)Z_q

Hey's CIM Ref.:

22.1.5

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Ncp	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of NacaphiteHide

Lustre:

Vitreous

Colour:

Colourless

Streak:

White

Hardness:

3 on Mohs scale

Optical Data of NacaphiteHide

Type:

Biaxial (-)

RI values:

n_α = 1.508 n_β = 1.515 n_γ = 1.520

2V:

Measured: 80° , Calculated: 80°

Max Birefringence:

δ = 0.012

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Low

Dispersion:

none

Chemistry of NacaphiteHide

Mindat Formula:

Na₂Ca(PO₄)F

Elements listed:

Ca, F, Na, O, P - search for minerals with similar chemistry

Crystallography of NacaphiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

P2₁/b

Setting:

P1 2₁/c 1

Cell Parameters:

a = 13.3185(14) Å, b = 7.0964(8) Å, c = 10.6490(11) Å
β = 113.526(1)°

Ratio:

a:b:c = 1.877 : 1 : 1.501

Unit Cell V:

922.81 Å³

Comment:

pseudo-orthorhombic C-centred (a = 10.65, b = 24.43, c = 7.10)

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	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005594	Nacaphite	Sokolova E V, Kabalov Y K, Ferraris G, Schneider J, Khomyakov A P (1999) Modular approach in solving the crystal structure of a synthetic dimorph of nacaphite, Na2Ca[PO4]F, from powder-diffraction data The Canadian Mineralogist 37 83-90		1999		0	293
0005738	Nacaphite	Sokolova E V, Hawthorne F C (2001) The crystal chemistry of the [M3_11-14] trimeric structures: From hyperagpaitic complexes to saline lakes The Canadian Mineralogist 39 1275-1294		2001		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Nacaphite'
loop_
_publ_author_name
'Sokolova E V'
'Kabalov Y K'
'Ferraris G'
'Schneider J'
'Khomyakov A P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 37 
_journal_year 1999
_journal_page_first 83
_journal_page_last 90
_publ_section_title
;
 Modular approach in solving the crystal structure of a synthetic dimorph of
 nacaphite, Na2Ca[PO4]F, from powder-diffraction data
;
_database_code_amcsd 0005594
_chemical_formula_sum '(Na10 Ca5) P5 O20 F5'
_cell_length_a 7.0179
_cell_length_b 7.0179
_cell_length_c 40.56
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1729.987
_exptl_crystal_density_diffrn      2.880
_symmetry_space_group_name_H-M 'R 3 m'
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,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1   0.17100  -0.17100   0.27000   0.66667   0.01900
Ca1   0.17100  -0.17100   0.27000   0.33333   0.01900
Na2   0.17000  -0.17000   0.13100   0.66667   0.01900
Ca2   0.17000  -0.17000   0.13100   0.33333   0.01900
Na3   0.16200  -0.16200   0.40000   0.66667   0.01900
Ca3   0.16200  -0.16200   0.40000   0.33333   0.01900
Na4   0.15800  -0.15800   0.53600   0.66667   0.01900
Ca4   0.15800  -0.15800   0.53600   0.33333   0.01900
Na5   0.16000  -0.16000   0.67300   0.66667   0.01900
Ca5   0.16000  -0.16000   0.67300   0.33333   0.01900
P1   0.00000   0.00000   0.19500   1.00000   0.01520
P2   0.00000   0.00000   0.93800   1.00000   0.01520
P3   0.00000   0.00000   0.32700   1.00000   0.01393
P4   0.00000   0.00000   0.80500   1.00000   0.01520
P5   0.00000   0.00000   0.06900   1.00000   0.01393
O1   0.00000   0.00000   0.15900   1.00000   0.02533
O2   0.00000   0.00000   0.28900   1.00000   0.01267
O3   0.00000   0.00000   0.03100   1.00000   0.02660
O4   0.00000   0.00000   0.76700   1.00000   0.04939
O5   0.00000   0.00000   0.90000   1.00000   0.02786
O6   0.11600  -0.11600   0.21500   1.00000   0.01520
O7   0.54100  -0.54100   0.27400   1.00000   0.01646
O8   0.54300  -0.54300   0.13900   1.00000   0.02280
O9   0.11900  -0.11900   0.34500   1.00000   0.01520
O10   0.88200  -0.88200   0.08300   1.00000   0.02533
F1   0.00000   0.00000   0.42300   1.00000   0.01773
F2   0.00000   0.00000   0.56900   1.00000   0.01520
F3   0.00000   0.00000   0.64700   1.00000   0.02786
F4   0.00000   0.00000   0.70400   1.00000   0.01773
F5   0.00000   0.00000   0.49500   1.00000   0.01773

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.649 Å	(100)
3.054 Å	(45)
3.049 Å	(40)
2.005 Å	(40)
1.762 Å	(33)
3.51 Å	(24)
1.470 Å	(21)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of NacaphiteHide

Type Locality:

ⓘ Rasvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Place of Conservation of Type Material:

Geology Museum, Kola Branch, Academy of Sciences, Apatity, Russia, 5534.
Mining Institute, St. Petersburg, Russia, 1116/2.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 79854.
The Natural History Museum, London, England, 1994,15.

Geological Setting of Type Material:

Ijolite-urtite pegmatite in an apatite deposit.

Reference:

Khomyakov, A.P., Kazakova, M.E., Pushcharovskii, D.Y. (1980) Nacaphite, Na2CaPO4F, a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 109(1): 50-52.

Download:

http://rruff.info/rruff_1.0/uploads/ZVMO109N1_50.pdf

Synonyms of NacaphiteHide

IMA1979-026

Other Language Names for NacaphiteHide

German:Nacaphit

Russian:Накафит

Spanish:Nacaphita

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Nacaphite associated with Thermonatrite	Na₂CO₃ · H₂O
1 photo of Nacaphite associated with Nefedovite	Na₅Ca₄(PO₄)₄F

Related Minerals - Strunz-mindat Grouping Hide

8.BO.	Ariegilatite	BaCa₁₂(SiO₄)₄(PO₄)₂F₂O	Trig. 3m (3 2/m) : R3m
8.BO.	Aravaite	Ba₂Ca₁₈(SiO₄)₆(PO₄)₃(CO₃)F₃O	Trig. 3m (3 2/m) : R3m
8.BO.	Theuerdankite	Ag₃AsO₄	Iso. 4 3m : P4 3n
8.BO.10	Preisingerite	Bi₃(AsO₄)₂O(OH)	Tric. 1 : P1
8.BO.10	Petitjeanite	Bi₃(PO₄)₂O(OH)	Tric. 1 : P1
8.BO.10	Schumacherite	Bi₃(VO₄)₂O(OH)	Tric. 1 : P1
8.BO.15	Atelestite	Bi₂(AsO₄)O(OH)	Mon. 2/m : P2₁/b
8.BO.15	Hechtsbergite	Bi₂(VO₄)O(OH)	Mon. 2/m : P2₁/b
8.BO.15	Smrkovecite	Bi₂(PO₄)O(OH)	Mon. 2/m : P2₁/b
8.BO.20	Kombatite	Pb₁₄(VO₄)₂O₉Cl₄	Mon. 2/m : B2/b
8.BO.20	Sahlinite	Pb₁₄(AsO₄)₂O₉Cl₄	Mon. 2/m : B2/b
8.BO.25	Heneuite	CaMg₅(CO₃)(PO₄)₃(OH)	Tric. 1 : P1
8.BO.30	Nefedovite	Na₅Ca₄(PO₄)₄F	Tric.
8.BO.35	Kuznetsovite	[Hg₂]²⁺Hg²⁺[AsO₄]Cl	Iso. 2 3 : P2₁ 3
8.BO.40	Artsmithite	[Hg₂]²⁺₂Al(PO₄)_1.74(OH)_1.78	Mon. 2/m : B2/b
8.BO.45	Schlegelite	Bi₇(AsO₄)₃(MoO₄)₂O₄	Orth. mmm (2/m 2/m 2/m)
8.BO.50	Hereroite	[Pb₃₂(O,◻)₂₁](AsO₄)₂[(Si,As,V,Mo]O₄)₂Cl₁₀	Mon. 2/m : B2/b
8.BO.50	Erikjonssonite	(Pb₃₂O₂₁)[(V,Si,Mo,As)O₄]₄Cl₉	Mon. 2/m : B2/b
8.BO.55	Rudabányaite	(Ag₂Hg₂)(AsO₄)Cl	Iso. 4 3m : F4 3c
8.BO.60	Segerstromite	Ca₃(As⁵⁺O₄)₂[As³⁺(OH)₃]₂	Iso. 2 3 : I2₁ 3
8.BO.65	Wiklundite	Pb₂(Mn²⁺,Zn)₃(Fe³⁺,Mn²⁺)₂(Mn²⁺,Mg)₁₉(As³⁺O₃)₂[(Si,As⁵⁺)O₄]₆(OH)₁₈Cl₆	Trig. 3m (3 2/m) : R3c

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 NacaphiteHide

mindat.org URL:

https://www.mindat.org/min-2824.html
Please feel free to link to this page.

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External Links:

Look for Nacaphite on Webmineral

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for NacaphiteHide

Reference List:

Doklady Rossiiskoi Akademii Nauk 304: 610-615.

Khomyakov, A.P., Kazakova, M.E., Pushcharovskii, D.Y. (1980) Nacaphite, Na2CaPO4F, a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 109(1): 50-52.

Fleischer, Michael, Chao, George Y., Francis, Carl A., Pabst, and Adolf (1981) New Mineral Names. American Mineralogist, 66 (1-2) 217-220

Sokolova, E., Egorov-Tismenko, Yu.K., and Khomyakov, A.P. (1989) Crystal structure of nacaphite. Soviet Physics – Doklady: 34: 9-11.

Egorov-Tismenko, Yu.K. and Sokolova, E.V. (1990) Homologous series seidozerite-nacaphite. Mineralogicheskii Zhurnal, Kiev: 12(1): 40-49 (in Russian).

Jambor, John L., Grew, Edward S. (1991) New Mineral Names. American Mineralogist, 76 (1-2) 299-305

Sokolova, E.V. (1998) Polysomatic series seidozerite-nacaphite. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 127(2): 111-114 (in Russian).

Sokolova, E. V., Kabalov, Y. K., Ferraris, G., Schneider, J., Khomyakov, A. P. (1999) Modular approach in solving the crystal structure of a synthetic dimorph of nacaphite, Na₂Ca[PO₄]F, from powder-differaction data. The Canadian Mineralogist, 37 (1) 83-90

Sokolova, E. and Hawthorne, F.C. (2001) The crystal chemistry of the [M3φ11–14] trimeric structures: from hyperagpaitic complexes to saline lakes. Canadian Mineralogist: 39: 1275–1294.

Jambor, J.L. and Roberts, A.C. (2002) New mineral names. American Mineralogist: 87: 765-768.

Krivovichev, S. V., Yakovenchuk, V. N., Ivanyuk, G. Yu., Pakhomovsky, Y. A., Armbruster, T., Selivanova, E. A. (2007) The crystal structure of nacaphite, Na₂Ca(PO₄)F: A re-investigation. The Canadian Mineralogist, 45 (4) 915-920 doi:10.2113/gscanmin.45.4.915

(2023) Nacaphite. Handbook of Mineralogy. Mineralogical Society of America

Localities for NacaphiteHide

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.


Russia
Murmansk Oblast Khibiny Massif Koashva Mt ⓘ IGC Stop 2-2	Arzamastsev et al. (2008)
ⓘ Koashva Open Pit	33 IGC excursion No 47 +1 other reference
Kukisvumchorr Mt ⓘ Kirovskii apatite mine
ⓘ Rasvumchorr Mt (TL)	Pekov (1998) +1 other reference
Rasvumchorr Mine ⓘ Apatitovyi Tsirk	Pavel.M. Kartashov (n.d.)
ⓘ Tsentral'nyi Mine	Pekov I.V. et al. (2010)
The Carbonatite Stock in the vicinity of Tul'ilukht Bay ⓘ Olenii Ruchei (Olenii Creek; Oleny Ruchei)	Pekov (1998)
ⓘ Lovozero Massif	...
Lovozersky District ⓘ Karnasurt Mountain	Pakhomovsky et al. (2014)

Nacaphite

About NacaphiteHide

Unique IdentifiersHide

IMA Classification of NacaphiteHide

Classification of NacaphiteHide

Mineral SymbolsHide

Physical Properties of NacaphiteHide

Optical Data of NacaphiteHide

Chemistry of NacaphiteHide

Crystallography of NacaphiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of NacaphiteHide

Synonyms of NacaphiteHide

Other Language Names for NacaphiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for NacaphiteHide

References for NacaphiteHide

Localities for NacaphiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide