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Fluorcalcioroméite

Pictures (2 Images total)

verm. Mixtur aus Fluorcalcioroméit und Fluorplumboromeit
Views (Image: 1289134747): 1180
verm. Mixtur aus Fluorcalcioroméit und Fluorplumboromeit

Weißes bis gelbliches Mineral, teilweise in "schaumig" wirkenden Krusten oder wie hier als stengeliges Aggregat von Roza de Santa Matilde, Almeria Spanien; Bildbreite < 1mm (nicht analysiert)

Copyright: Stefan
Contribution: Stefan 2010-11-07
Locality: Roza de Santa Matilde / Las Herrerías / Cuevas de Almanzora / Almería, Provinz / Andalusien (Andalucía) / Spanien
Fluorcalcioromeit xx mit Tilasit xx
Views (Image: 1379778893): 867
Fluorcalcioromeit xx mit Tilasit xx

Grube Starlera,Val Ferrera/Graubünden,Schweiz; Größe 2 x 2 cm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2013-09-21
Locality: Grube Starlera / Val Starlera / Innerferrera / Ferrera / Viamala, Region / Graubünden, Kanton / Schweiz

Collectors Summary

Color orange, gelblich, weißlich
Lustre Harzglanz, Glasglanz
Hardness (Mohs) 5.5
Cleavages keine beobachtet
Fracture muschelig
Solubility - Säuren
Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

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

Empir­ical formula (anal­y­sis)

(Ca1.16Na0.560.22Fe2+0.03Mn2+0.03)Σ2.00(Sb5+1.98Al0.01W0.01)Σ2.00O6[F0.62(OH)0.28O0.060.04]Σ1.00

Chem­ical com­po­si­tion

Antimon, Calcium, Natrium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 419.3795575686 u; Number of atoms in the formula: 11.28

Info

Empirical formula:

(Ca1.16Na0.56Vc0.22Fe0.03Mn0.03)(Sb1.98Al0.01W0.01)O6[F0.62(OH)0.28O0.06Vc0.04]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

0.26

2.30

0.0000000

0.0000000

Hydrogen

H

0.07

0.28

2.48

1.0079470

0.2822252

Oxygen

O

24.19

6.34

56.21

15.9994300

101.4363862

Fluorine

F

2.81

0.62

5.50

18.9984033

11.7790100

Sodium

Na

3.07

0.56

4.96

22.9897702

12.8742713

Aluminium

Al

0.06

0.01

0.09

26.9815382

0.2698154

Calcium

Ca

11.09

1.16

10.28

40.0784000

46.4909440

Manganese

Mn

0.39

0.03

0.27

54.9380499

1.6481415

Iron

Fe

0.40

0.03

0.27

55.8452000

1.6753560

Antimony

Sb

57.49

1.98

17.55

121.7601000

241.0849980

Tungsten

W

0.44

0.01

0.09

183.8410000

1.8384100

Anal­y­sis wt%

Na2O : 4.11, CaO : 15.41, MnO : 0.54, CuO : 0.01, ZnO : 0.01, PbO : 0.02, Al2O3 : 0.10, FeO : 0.50, Y2O3 : 0.07, SiO2 : 0.04, TiO2 : 0.01, UO2 : 0.01, Sb2O5 : 76.18, WO3 : 0.78, F : 2.79, H2O : 0.59, O = F : -1.17, Total : 100.00

Strunz 9th edi­tion incl. updates

4.DH.15d

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
15d:

Lapis Clas­sifica­tion

IV/C.16-042

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und ver-wandte Verbindungen)
16: Pyrochlor-Gruppe; ROMEIT-Untergruppe [Sb ± Ti]

Clas­sifica­tion by Hölzel

4.CK.120

4: OXIDES
C: R2O3 Sesquioxides
K: Romeite-Group, Sb-dominant on the B-site

IMA sta­tus

anerkannt (2010) - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010), erneut CNMNC Newsletter No. 16, August 2013

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Roméite group

Optical Properties

Color

orange, gelblich, weißlich

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Harzglanz, Glasglanz

max. Birefrin­gence

keine - isotropisch

RI value α / ω / n

ncalc. = 1.826

2V angle

Isotropisch

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz unter UV

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

10.2987

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

1092.313

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

5.946(100), 3.105(29), 2.973(77), 2.102(11), 1.982(15), 1.821(54), 1.553(29), 1.442(11)

XRD chart Fluorcalcioroméite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5

VHN (Hard­ness Vick­ers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.113 (berechnet)

5.1 ( ρ calc. Mineralienatlas )

Cleav­ages

keine beobachtet

Frac­ture

muschelig

Tenac­ity

spröde

Insta­bil­ity

- Säuren

(Co-)Type locality

(Co-)Type locality

Schweiz/Graubünden, Kanton/Viamala, Region/Ferrera/Innerferrera/Val Starlera/Grube Starlera

Type mate­r­ial

Museo Regionale Di Scienze Naturali, Sezione di Mineralogia, Petrografia e Geologia, Torino, Italien

Cotyp: RRUFF project

Col­lec­tion number of type mate­r­ial

M/15925 (Italien), R120140 (RRuff)

Preface

Author (Name, Year)

Daniel Atencio, Marco E. Ciriotti and Marcelo B. Andrade (2012)

References

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010) http://pubsites.uws.edu.au/ima-cnmnc/Atencio%20et%20al%20pyrochlore%20nomenclature.pdf

Atencio, D., Ciriotti, M.E. and Andrade, M.B. (2013) Fluorcalcioroméite, IMA 2012-093. CNMNC Newsletter No. 16, August 2013, page 2698; Mineralogical Magazine, 77, 2695-2709.

Atencio, D., Ciriotti, M. E. & Andrade, M. B. - Fluorcalcioroméite, (Ca,Na)2Sb5+2(O,OH)6F, a new roméite-group mineral from Starlera mine, Ferrera, Grischun, Switzerland: description and crystal structure. Mineralogical Magazine, 77 (2013), 467-473

IMA group assignments

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

Fluorcalcioroméite

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

kubisch : m3m : Fd3m

4.DH.15d

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

'Argentoromeite'

IV/C.16-010

Cuproroméite

Cu2Sb2(O,OH)7

kubisch : m3m : Fd3m

IV/C.16-020

Fluornatroroméite

(Na,Ca)2Sb2(O,OH)6F

IV/C.16-032

Hydroxycalcioroméite

(Ca,Sb3+)2(Sb5+,Ti4+)2O6(OH)

kubisch : m3m : Fd3m

IV/C.16-040

Fluorcalcioroméite

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

kubisch : m3m : Fd3m

IV/C.16-042

Oxycalcioroméite

Ca2Sb2O6O

kubisch : m3m : Fd3m

IV/C.16-044

Oxyplumboroméite

Pb2Sb5+2O7

kubisch : m3m : Fd3m

IV/C.16-074

'Stibioroméite'

IV/C.16-080

'Bismutoroméite'

IV/C.16-094

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

Hydroxycalcioroméite

(Ca,Sb3+)2(Sb5+,Ti4+)2O6(OH)

kubisch : m3m : Fd3m

4.CK.110

Fluorcalcioroméite

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

kubisch : m3m : Fd3m

4.CK.120

Oxycalcioroméite

Ca2Sb2O6O

kubisch : m3m : Fd3m

4.CK.140

CNMNC (IMA)-Number

IMA 2012-093

CNMNC symbol

Symbol

Fcrm

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

German pages

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

English pages

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

German pages

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Locations with GPS information