Fluorcaphite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Fluorcaphite
Formula:
SrCaCa3(PO4)3F
Colour:
Bright yellow
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
3.60
Crystal System:
Hexagonal
Member of:
Name:
Named after its constituting elements of fluorine, calcium, and phosphorous
Unique Identifiers
Mindat ID:
6948
Long-form identifier:
mindat:1:1:6948:5
GUID
(UUID V4):
(UUID V4):
0b3b57e6-a037-41ae-9d6a-b7c1aa2de548
IMA Classification of Fluorcaphite
Approved
Approval year:
1996
First published:
1997
Classification of Fluorcaphite
8.BN.05
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
N : With only large cations, (OH, etc.):RO4 = 0.33:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
N : With only large cations, (OH, etc.):RO4 = 0.33:1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Fcp | 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 Fluorcaphite
Vitreous
Colour:
Bright yellow
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Density:
3.60 g/cm3 (Measured) 3.57 g/cm3 (Calculated)
Optical Data of Fluorcaphite
Type:
Uniaxial (-)
RI values:
nω = 1.649 nε = 1.637
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemistry of Fluorcaphite
Mindat Formula:
SrCaCa3(PO4)3F
Crystallography of Fluorcaphite
Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 9.485(3) Å, c = 7.000(3) Å
Ratio:
a:c = 1 : 0.738
Unit Cell V:
545.39 ų (Calculated from Unit Cell)
Z:
2
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
---|---|---|---|---|---|---|---|
0006014 | Fluorcaphite | Chakhmouradian A R, Hughes J M, Rakovan J F (2005) Fluorcaphite, a second occurrence and detailed structural analysis: Simultaneous accommodation of Ca, Sr, Na, LREE in the apatite atomic arrangement The Canadian Mineralogist 43 735-746 | 2005 | 0 | 293 | ||
0006015 | Fluorcaphite | Chakhmouradian A R, Hughes J M, Rakovan J F (2005) Fluorcaphite, a second occurrence and detailed structural analysis: Simultaneous accommodation of Ca, Sr, Na, LREE in the apatite atomic arrangement The Canadian Mineralogist 43 735-746 | 2005 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.498 Å | (45) |
2.838 Å | (100) |
2.814 Å | (48) |
2.740 Å | (53) |
1.865 Å | (31) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
36 : Carbonatites, kimberlites, and related igneous rocks |
Type Occurrence of Fluorcaphite
General Appearance of Type Material:
Subhedral prisms up to 5 mm long, and in aggregates up to 15 mm across.
Place of Conservation of Type Material:
A. E. Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of Type Material:
In miarolitic cavities in the central part of a hyperagpaitic pegmatite in ijolite-urtite.
Associated Minerals at Type Locality:
Reference:
Khomyakov, A.P., Kulikova, I.M., Rastsvetaeva, R.K. (1997) Fluorcaphite Ca(Sr,Na,Ca)(Ca,Sr,Ce)3(PO4)3F – a new mineral with the apatite structural motif. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 126(3): 87-97.
Synonyms of Fluorcaphite
Other Language Names for Fluorcaphite
Relationship of Fluorcaphite to other Species
Member of:
Other Members of this group:
Belovite-(Ce) | NaCeSr3(PO4)3F | Trig. 3 : P3 |
Belovite-(La) | NaLaSr3(PO4)3F | Trig. 3 : P3 |
Carlgieseckeite-(Nd) | NaNdCa3(PO4)3F | Trig. 3 : P3 |
Deloneite | (Na0.5REE0.25Ca0.25)(Ca0.75REE0.25)Sr1.5(CaNa0.25REE0.25)(PO4)3F0.5(OH)0.5 | Trig. 3 : P3 |
Fluorstrophite | SrCaSr3(PO4)3F | Hex. 6/m : P63/m |
Kuannersuite-(Ce) | NaCeBa3(PO4)3F0.5Cl0.5 | Trig. 3 : P3 |
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Fluorcaphite associated with Pectolite | NaCa2Si3O8(OH) |
1 photo of Fluorcaphite associated with Villiaumite | NaF |
Related Minerals - Strunz-mindat Grouping
8.BN. | Aradite | BaCa6[(SiO4)(VO4)](VO4)2F |
8.BN. | Magganasite | CuFe3+3O(AsO4)3 |
8.BN. | Fluorpyromorphite | Pb5(PO4)3F |
8.BN. | Fluorsigaiite | Ca2Sr3(PO4)3F |
8.BN. | Fluoralforsite | Ba5(PO4)3F |
8.BN.05 | Alforsite | Ba5(PO4)3Cl |
8.BN.05 | Belovite-(Ce) | NaCeSr3(PO4)3F |
8.BN.05 | Chlorapatite | Ca5(PO4)3Cl |
8.BN.05 | Mimetite-M | Pb5(AsO4)3Cl |
8.BN.05 | Johnbaumite-M | Ca5(AsO4)3OH |
8.BN.05 | Fluorapatite | Ca5(PO4)3F |
8.BN.05 | Hedyphane | Ca2Pb3(AsO4)3Cl |
8.BN.05 | Hydroxylapatite | Ca5(PO4)3(OH) |
8.BN.05 | Johnbaumite | Ca5(AsO4)3(OH) |
8.BN.05 | Mimetite | Pb5(AsO4)3Cl |
8.BN.05 | Morelandite | Ca2Ba3(AsO4)3Cl |
8.BN.05 | Oxypyromorphite | Pb10(PO4)6O |
8.BN.05 | Pyromorphite | Pb5(PO4)3Cl |
8.BN.05 | Fluorstrophite | SrCaSr3(PO4)3F |
8.BN.05 | Svabite | Ca5(AsO4)3F |
8.BN.05 | Turneaureite | Ca5(AsO4)3Cl |
8.BN.05 | Vanadinite | Pb5(VO4)3Cl |
8.BN.05 | Belovite-(La) | NaLaSr3(PO4)3F |
8.BN.05 | Deloneite | (Na0.5REE0.25Ca0.25)(Ca0.75REE0.25)Sr1.5(CaNa0.25REE0.25)(PO4)3F0.5(OH)0.5 |
8.BN.05 va | Germanate-pyromorphite | Pb5(PO4)2GeO4 |
8.BN.05 | Kuannersuite-(Ce) | NaCeBa3(PO4)3F0.5Cl0.5 |
8.BN.05 | Hydroxylapatite-M | Ca5(PO4)3OH |
8.BN.05 | Phosphohedyphane | Ca2Pb3(PO4)3Cl |
8.BN.05 | Hydroxylpyromorphite | Pb5(PO4)3(OH) |
8.BN.05 | Stronadelphite | Sr5(PO4)3F |
8.BN.05 | Fluorphosphohedyphane | Ca2Pb3(PO4)3F |
8.BN.05 | Carlgieseckeite-(Nd) | NaNdCa3(PO4)3F |
8.BN.05 | Vanackerite | Pb4Cd(AsO4)3Cl |
8.BN.05 | Miyahisaite | (Sr,Ca)2Ba3(PO4)3F |
8.BN.05 | Unnamed (OH-analogue of Mimetite) | Pb5(AsO4)3(OH) |
8.BN.05 | Pieczkaite | Mn5(PO4)3Cl |
8.BN.05 | Hydroxylhedyphane | Ca2Pb3(AsO4)3(OH) |
8.BN.05 | Pliniusite | Ca5(VO4)3F |
8.BN.05 | Parafiniukite | Ca2Mn3(PO4)3Cl |
8.BN.10 | Arctite | Na2Ca4(PO4)3F |
8.BN.15 | Goryainovite | Ca2(PO4)Cl |
Other Information
IR Spectrum:
Distinct absorption bands at 400, 573, 601, 953, 1000 (shoulder), 1039, 1090 (shoulder), and two weak bands at 3360 and 3490 cm-1, generally corresponding to spectra for the apatite family.
Notes:
Readily soluble in 10% HCl or HNO3.
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 Fluorcaphite
mindat.org URL:
https://www.mindat.org/min-6948.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Fluorcaphite
Reference List:
Localities for Fluorcaphite
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.
Brazil | |
| Guarino, Vincenza, Lustrino, Michele, Zanetti, Alberto, Tassinari, Colombo C.G., Ruberti, Excelso, de' Gennaro, Roberto, Melluso, Leone (2021) Mineralogy and geochemistry of a giant agpaitic magma reservoir: The Late Cretaceous Poços de Caldas potassic alkaline complex (SE Brazil) Lithos, 398-399. 106330 doi:10.1016/j.lithos.2021.106330 |
Russia | |
| |
| Khomyakov, A. P., Nechelyustov, G. N., Sokolova, E., Bonaccorsi, E., Merlino, S., Pasero, M. (2002) Megakalsilite, a new polymorph of KAlSiO4 from the Khibina Alkaline Massif, Kola Peninsula, Russia: mineral description and crystal structure. The Canadian Mineralogist, 40 (3) 961-970 doi:10.2113/gscanmin.40.3.961 |
| |
Tajikistan | |
|
Quick NavTopAbout FluorcaphiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia