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Vigezzite

Pictures (37 Images total)

Vigezzit
Views (File:
1279025375
): 775
Vigezzit
Größe: 0,68 mm; Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso
Mineral: Vigezzite
Image: 1279025375
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Vigezzit

Größe: 0,68 mm; Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-07-13
Locality: Alpe Rosso / Orcesco / Druogno / Vigezzo, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Vigezzit
Views (File:
1286872281
): 651
Vigezzit
Größe: 1,4 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso
Mineral: Vigezzite
Image: 1286872281
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Vigezzit

Größe: 1,4 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-10-12
Locality: Alpe Rosso / Orcesco / Druogno / Vigezzo, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Vigezzit
Views (File:
1283970808
): 652
Vigezzit
Vigezzit auf Albit, Kristallgröße: 1,49 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: thdun5
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso
Mineral: Vigezzite
Image: 1283970808
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Vigezzit

Vigezzit auf Albit, Kristallgröße: 1,49 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: thdun5 2010-09-08
Locality: Alpe Rosso / Orcesco / Druogno / Vigezzo, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Vigezzit
Views (File:
1168273842
): 1798, Rating: 8.44
Vigezzit
Bildbreite: 1,5 mm; Fundort: Jacupiranga Mine, Cajati, São Paulo, Brasilien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Brasilien/Südosten (Região Sudeste)/Sao Paulo/Cajati/Jacupiranga Alkali-Komplex
Mineral: Vigezzite
Image: 1168273842
Rating: 8.44 (votes: 9)
License: Usage for Mineralienatlas project only
Vigezzit

Bildbreite: 1,5 mm; Fundort: Jacupiranga Mine, Cajati, São Paulo, Brasilien
Copyright: Stephan Wolfsried
Contribution: Hg 2007-01-08
Locality: Jacupiranga Alkali-Komplex / Cajati / Sao Paulo / Südosten (Região Sudeste) / Brasilien
Vigezzit
Views (File:
1291073158
): 1367, Rating: 8.25
Vigezzit
Größe: 0,94 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso
Mineral: Vigezzite
Image: 1291073158
Rating: 8.25 (votes: 8)
License: Usage for Mineralienatlas project only
Vigezzit

Größe: 0,94 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-11-30
Locality: Alpe Rosso / Orcesco / Druogno / Vigezzo, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien
Vigezzit
Views (File:
1283970843
): 418
Vigezzit
Vigezzit auf Albit, Kristallgröße: 5,36 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Copyright: Matteo Chinellato; Contribution: thdun5
Collection: Domenico Preite
Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso
Mineral: Vigezzite
Image: 1283970843
Rating: 8 (votes: 3)
License: Usage for Mineralienatlas project only
Vigezzit

Vigezzit auf Albit, Kristallgröße: 5,36 mm, Fundort: Alpe Rosso, Orcesco, Val Vigezzo, Piemont, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: thdun5 2010-09-08
Locality: Alpe Rosso / Orcesco / Druogno / Vigezzo, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color orange, leuchtend gelborange
Streak color weiß
Hardness (Mohs) 5
Crystal System orthorhombisch, Pbnm

Chemism

Chemical formula

(Ca,Ce)(Nb,Ta,Ti)2O6

Chemical composition

Calcium, Cerium, Niob, Tantal, Titan, Sauerstoff

Unit weight: 390.7142294 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Ca0.75Ce0.25)(Nb0.6Ta0.3Ti0.1)2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

24.57

6

66.67

15.9994300

95.9965800
Calcium

Ca

7.69

0.75

8.33

40.0784000

30.0588000
Titanium

Ti

2.45

0.2

2.22

47.8671000

9.5734200
Niobium

Nb

28.53

1.2

13.33

92.9063820

111.4876584
Cerium

Ce

8.97

0.25

2.78

140.1161000

35.0290250
Tantalum

Ta

27.79

0.6

6.67

180.9479100

108.5687460

Analysis wt%

CaO : 12.00, Ce2O3 : 10.50, TiO2 : 10.50, Nb2O5 : 31.00, Ta2O5 : 36.00, Ln2O3 : 10.50 (Ref: Mineralogical Magazine 79)

Strunz 9th edition incl. updates

4.DF.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
F: Mit großen (± mittelgroßen) Kationen; dimers und trimers kantenverknüpfte Oktaeder
05:Aeschynit-Gruppe

Lapis Classification

IV/D.21-040

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)
21: Aeschynit-Gruppe

Classification by Hölzel

4.DJ.380

4: OXIDES
D: Dioxides
J: Titanates, Niobates and Tantalates, C large, V medium ò 2
3: Aeschynite-Group

Dana 8th edition

08.03.07.01

08: Multiple Oxides with Nb, Ta, and Ti
03: Multiple Oxides with Nb, Ta, and Ti where A (B2O6)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Aeschynite group

Optical Properties

Color

orange, leuchtend gelborange

Streak color

weiß

Diaphaneity (Transparency)

teilweise durchscheinend bis opak

max. Birefringence

0.175
Birefringence chart\! Vigezzite title=Birefringence chart Vigezzite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

2.14

RI value γ / ε

2.315

Ri mean

2.2~

2V angle

Biaxial (+) lg

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

62

Space Group

Pbnm

Cell parameters a (Å)

11.065

Cell parameters b (Å)

7.527

Cell parameters c (Å)

5.343

Cell parameters a/b or c/a

1.470

Cell parameters c/b

0.710

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

444.998

X-Ray Powder Diffraction

4.821(90),
3.784(80),
3.036(100),
2.974(100),
2.684(40),
2.367(40),
1.713(60),
1.602(70)
XRD chart Vigezzite

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

VHN (Hardness Vickers)

396 (50g)

Density (g/cm³)

5.54

5.832 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Vigezzo, Valle (Tal)/Druogno/Orcesco/Alpe Rosso

Preface

Author (Name, Year)

Graeser & Schwander & Hänni & Mattioli, 1979

References

Mineralogical Magazine 43 (1979), 459

IMA group assignments

Other languages

German

Vigezzit

Spanish

Vigezzita

English

Vigezzite

French

Vigezzite

Russian

Виджеццит

CNMNC (IMA)-Number

IMA 1977-008

CNMNC symbol

Symbol

Vgz

Locations with GPS information

IDs

GUSID (Global unique identifier short form) QIgip12_kUaEOwObXsvLmQ
GUID (Global unique identifier) A7228840-BF5D-4691-843B-039B5ECBCB99
Database ID 4056