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Oxycalcioroméite (Oxycalcioroméit)

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chemical formula

Ca2Sb2O6O

Additional chem. information

Pyrochlor-Supergruppe

Chemical composition

Antimon, Calcium, Sauerstoff

Unit weight: 435.67301 u; Number of atoms in the formula: 11

Info

Empirical formula:

Ca2Sb2O6O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

25.71

7

63.64

15.9994300

111.9960100

Calcium

Ca

18.40

2

18.18

40.0784000

80.1568000

Antimony

Sb

55.90

2

18.18

121.7601000

243.5202000

Strunz 9th edition incl. updates

4.DH.20

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
20:Stibiconit-Gruppe

Lapis Classification

IV/C.16-044

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

Classification by Hölzel

4.CK.140

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)
anerkannt - CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pyrochlore supergroup  ⇒ Roméite group

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.304

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

Volume (ų)

1094.001

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

5.93(32), 3.105(24), 2.977(100), 2.576(24), 1.984(8), 1.824(45), 1.556(34), 1.489(8)

XRD chart Oxycalcioroméite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.29 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Massa-Carrara, Provinz/Stazzema/Buca della Vena

Type material

Museo di Storia Naturale e del Territorio, Università di Pisa, Calci (Pisa), Italien

Collection number of type material

19640

Preface

Author (Name, Year)

Cristian Biagioni und Paolo Orlandi (2012)

References

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288.

C. Biagioni, P. Orlandi, F. Nestola, S. Bianchin, S. Krivovichev: Oxycalcioroméite, Ca2Sb2O6O, from Buca della Vena mine, Apuan Alps, Tuscany, Italy: a new member of the pyrochlore supergroup. Mineral Mag Vol. 77, Nr. 7 (2013) S. 3027-3037.

IMA group assignments

 
A2-mD2X6-wZ1-n
 
 

 
 
(Ca,Fe2+,Mn,Na)2(Sb,Ti)2O6(O,OH,F)
kubisch
Fd3m

 
 
 
(Ca,Na)2Sb5+2O6(F,OH)
kubisch
Fd3m

 
 
 
(Na,Ca)2Sb2(O,OH)6F
 
 

 
 
 
(Ca,Sb3+)2(Sb5+,Ti4+)2O6(OH)
kubisch
Fd3m

 
 
 
(Fe2+1.50.5)Sb5+2O6(OH)
kubisch
Fd3m

 
 
 
Ca2Sb2O6O
kubisch
Fd3m

 
 
 
Pb2Sb5+2O7
kubisch
Fd3m

 
 
 
Sb3+Sb5+2O6(OH)
kubisch
Fd3m

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Actuality: 25. Mar 2024 - 08:12:41

Other languages

German

Oxycalcioroméit

English

Oxycalcioroméite

Russian

Оксикальциоромеит

CNMNC (IMA)-Number

IMA 2012-022

CNMNC symbol

Symbol

Ocr

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Gk1MrKOeKU2ZqD5aky9xIQ
GUID (Global unique identifier) AC4C4D1A-9EA3-4D29-99A8-3E5A932F7121
Database ID 7205