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Fluornatrocoulsellite

Pictures (2 Images total)

Coulsellit
Views (Image: 1413543477): 899
Coulsellit

Bildbreite: 2,5 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Stephan Wolfsried
Contribution: Hg 2014-10-17
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Coulsellit
Views (Image: 1421929807): 859
Coulsellit

Bildbreite: 1,5 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Stephan Wolfsried
Contribution: Hg 2015-01-22
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien

Collectors Summary

Color farblos bis weiß
Streak color weiß
Hardness (Mohs) 4.5
Crystal System trigonal, R3m
Morphology pseudo-oktaedrische Kristalle bis 2 mm

Chemism

Chem­ical formula

CaNa3AlMg3F14

Addi­tional chem. informa­tion

Pyrochlor-Gruppe

Chem­ical com­po­si­tion

Aluminium, Calcium, Magnesium, Natrium, Fluor

Unit weight: 474.9220743 u; Number of atoms in the formula: 22

Info

Empirical formula:

CaNa3AlMg3F14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Fluorine

F

56.00

14

63.64

18.9984033

265.9776455

Sodium

Na

14.52

3

13.64

22.9897702

68.9693106

Magnesium

Mg

15.35

3

13.64

24.3050600

72.9151800

Aluminium

Al

5.68

1

4.55

26.9815382

26.9815382

Calcium

Ca

8.44

1

4.55

40.0784000

40.0784000

Anal­y­sis wt%

Al : 5.93, Mg : 14.90, Ca : 8.41, Na : 14.20, F : 54.80, O : 1.81, P : 0.49 (Ref: American Mineralogist 2010)

Strunz 9th edi­tion incl. updates

4.DH.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
15:Pyrochlor-Gruppe

Clas­sifica­tion by Hölzel

3.DD.270

3: HALIDES
D: Complex Halides
D: Fluoro-Aluminates

IMA sta­tus

anerkannt, IMA Web-Seite - Neue Mineralien Nov. 2009

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup

Optical Properties

Color

farblos bis weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

RI value α / ω / n

1.40

Ri mean

1.400

2V angle

Uniaxial

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell param­e­ters a (Å)

7.162

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

17.5972

Cell param­e­ters a/b or c/a

2.457

Cell param­e­ters c/b

-

Z

3

Volumne (ų)

781.705

Kristall struc­ture

Struktur bestimmt, modifizierte Pyrochlor-Struktur, siehe Mumme et al. (2010)

X-Ray Pow­der Diffrac­tion

5.86(12), 3.054(8), 2.926(100), 2.325(33), 2.067(8), 1.949(19), 1.791(66), 1.528(20)

XRD chart Fluornatrocoulsellite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphol­ogy

pseudo-oktaedrische Kristalle bis 2 mm

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4.5

Density (g/cm³)

2.991 (gemessen) 3.011 (berechnet)

3.026 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Australien/Tasmanien/Waratah-Wynyard Municipality/Heazlewood District/Luina/Mount Cleveland Tin Mine

Type mate­r­ial

Museum Victoria, Melbourne

Col­lec­tion number of type mate­r­ial

MH41450

Par­a­ge­n­e­sis of type mate­r­ial

Coulsellit xx sitzen auf Quarz xx, darüber Morinit und Gearksutit

Preface

Name from

Ruth E. Coulsell (1912-2000), Mineraliensammlerin, Gründungsmitglied der Mineralogical Society of Victoria, und deren Ehrenmitglied

Author (Name, Year)

W. Gus Mumme et al., 2010

References

William D. Birch, Ian E. Grey, W. Gus Mumme, Allan Pring: Coulsellite, a new mineral from the Cleveland mine, Luina, Tasmania. Australian Journal of Mineralogy Vol. 15, No. 1+2 (2009) S.21-24.

W. Gus Mumme, Ian E. Grey, William D. Birch, Allan Pring, Catherine Bougerol, Nicholas C. Wilson: Coulsellite, CaNa3AlMg3F14, a rhombohedral pyrochlore with 1:3 ordering in both A and B sites, from the Cleveland Mine, Tasmania, Australia. American Mineralogist 95 (2010) S. 736-740.

Neue Mineralien - IMA Web-Seite November 2009

Mineralogical Magazine, 2016, Vol. 80(5), pp. 915-922 [umbenannt]

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Betafite (of Hogarth 1977)' (Var.v. Pyrochlore supergroup)

(Ca,Na,U)2(Ti,Nb,Ta)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroplumboelsmoreite

(Pb,☐)2(W,Fe3+)2O6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Fluornatrocoulsellite

CaNa3AlMg3F14

trigonal : 3m : R3m

4.DH.15

Hydroxymanganopyrochlore

(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Alumotungstite' (Var.v. Hydrokenoelsmoreite)

(H2O,Ca)x(W,Al)2(O,OH)6·nH2O

4.DH.15

'Calciobetafite' (Var.v. Pyrochlore supergroup)

Ca2(Ti,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Cesstibtantite' (Var.v. Pyrochlore supergroup)

(Cs,Na)SbTa4O12

kubisch : m3m : Fd3m

4.DH.15

'Ferritungstite' (Var.v. Hydrokenoelsmoreite)

(W6+,Fe3+)2(O,OH)6·n(H2O,K,Ca,Na)

kubisch : m3m : Fd3m

4.DH.15

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

(Pb,U,Ca)(Ti,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Stibiobetafite' (Var.v. Pyrochlore group)

(Sb3+,Ca)2(Ti,Nb,Ta)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Uranmicrolite' (Var.v. Microlite group)

(Ca,U)2(Ta,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

(Ca,U,Na,Ce)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

'Bariomicrolite'

Ba(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

(Ba,Sr)(Nb,Ti)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Natrobistantite' (Var.v. Microlite group)

(Na,Cs)Bi(Ta,Nb,Sb)4O12

4.DH.15

'Plumbomicrolite' (Var.v. Microlite group)

(Pb,Na,Ca)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Plumbopyrochlore' (Var.v. Pyrochlore group)

(Pb,Y,U,Ca)2-xNb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Stannomicrolite' (Var.v. Microlite group)

(Sn2+,Fe2+)(Ta,Nb,Sn4+)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Stibiomicrolite' (Var.v. Microlite group)

(Sb,Ca,Na)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bismutomicrolite'

(Bi,Ca)(Ta,Nb)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

4.DH.15

Oxynatromicrolite

(Na,Ca,U)2(Ta,Nb)2O6(O,F)

kubisch : m3m : Fd3m

4.DH.15

'Yttrobetafite-(Y)' (Var.v. Pyrochlore supergroup)

(Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

amorph

4.DH.15

'Strontiopyrochlore' (Var.v. Pyrochlore group)

Sr0.6Nb2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

Cesiokenopyrochlore

☐Nb2(O,OH)6Cs1−x {x ∼ 0.20}

kubisch : m3m : Fd3m

4.DH.15

Hydrokenoelsmoreite

WO3·0.5H2O

kubisch : m3m : Fd3m

4.DH.15

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Oxybismutomicrolite

(Bi1.33☐0.67)Σ2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

4.DH.15

Oxystannomicrolite

Sn2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxystibiomicrolite

(Sb3+,Ca)2Ta2O6O

4.DH.15

'Yttropyrochlore-(Y)' (Var.v. Pyrochlore group)

(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7

4.DH.15

'Ceriopyrochlore-(Ce)' (Var.v. Pyrochlore supergroup)

(Ca,Ce,Y,Na)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

Fluornatromicrolite

(Na,Ca,Bi)2(Ta,Nb)2O6F

kubisch : m3m : Fd3m

4.DH.15

Fluornatropyrochlore

(Na,Pb,Ca,REE,U)2Nb2O6F

kubisch : m3m : Fd3m

4.DH.15

Hydrokenopyrochlore

2Nb2O4(OH)2(H2O)

kubisch : m3m : Fd3m

4.DH.15

Hydroxyferroroméite

(Fe2+1.50.5)Sb5+2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Kenoplumbomicrolite

(Pb,◻)2Ta 2O6(◻,O,OH)

kubisch : m3m : Fd3m

4.DH.15

Oxycalciopyrochlore

Ca2Nb2O6O

4.DH.15

Fluorcalciomicrolite

(Ca,Na)2Ta2(O,OH)6F

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenoelsmoreite

(☐,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)

trigonal : 3 : R3

4.DH.15

Hydroxykenomicrolite

(◻,Na,Sb3+)2Ta2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenopyrochlore

(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalciopyrochlore

(Ca,Na)2(Nb,Ti)2O6F

kubisch : m3m : Fd3m

4.DH.15

Hydroxynatropyrochlore

(Na,Сa,Ce)2Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciomicrolite

Ca1.5Ta2O6(OH)

kubisch : 432 : P4332

4.DH.15

Hydroxyplumbopyrochlore

(Pb1.50.5)Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciopyrochlore

(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalcioroméite

(Ca,Na)2Sb5+2O6(F,OH)

kubisch : m3m : Fd3m

4.DH.15d

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Weberite

Na2MgAlF7

orthorhombisch : mm2 : I2mm

3.DD.200

Colquiriite

CaLiAlF6

trigonal : 3m : P31c

3.DD.220

Bøgvadite

Na2SrBa2Al4F20

orthorhombisch : mm2, mmm : Pn2n, Pnmn

3.DD.240

Usovite

Ba2CaMgAl2F14

monoklin : 2/m : C2/c

3.DD.260

Fluornatrocoulsellite

CaNa3AlMg3F14

trigonal : 3m : R3m

3.DD.270

old name

German

Coulsellit

Mineralogical Magazine, 2016, Vol. 80(5), pp. 915-922 [umbenannt]

Spanish

Coulsellita

English

Coulsellite

Mineralogical Magazine, 2016, Vol. 80(5), pp. 915-922 [umbenannt]

CNMNC (IMA)-Number

IMA 2009-070

CNMNC symbol

Symbol

Fnc

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Fluornatrocoulsellit
Google-Bilder-Suche - search for: Fluornatrocoulsellit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Fluornatrocoulsellit

English pages

Mindat - search for: Fluornatrocoulsellite
Webmineral - search for:Fluornatrocoulsellite
Handbook-of-Mineralogy - search for: Fluornatrocoulsellite
RRUFF - Raman, XRD and other mineral data - search for: Fluornatrocoulsellite
RRUFF - References and PDF downloads - search for: Fluornatrocoulsellite
American-Mineralogist-Crystal-Structure-Database - search for: Fluornatrocoulsellite
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Russian pages

Webmineral.ru - search for: Фторнатрокаулселлит

Mineral Dealer

German pages

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Locations with GPS information