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Vanadomalayaite (Vanadomalayait)

Pictures (2 Images total)

Vanadomalayait
Views (File:
1580400068
): 230
Vanadomalayait
Gambatesa Mine Val Graveglia; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Vanadomalayaite
Image: 1580400068
License: Usage for Mineralienatlas project only
Vanadomalayait

Gambatesa Mine Val Graveglia; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-01-30
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Vanadomalayait
Views (File:
1580400256
): 213
Vanadomalayait
Gambatesa Mine Vaj Graveglia; Bildbreite 2,3 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Ne/Val Graveglia/Reppia/Miniera Gambatesa
Mineral: Vanadomalayaite
Image: 1580400256
License: Usage for Mineralienatlas project only
Vanadomalayait

Gambatesa Mine Vaj Graveglia; Bildbreite 2,3 mm

Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2020-01-30
Locality: Miniera Gambatesa / Reppia / Val Graveglia / Ne / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

Collectors Summary

Color tief rot
Streak color rot
Cleavages gut {110}
Crystal System monoklin, C2/c

Chemism

Chemical formula

Ca(V4+,Ti4+)[O|SiO4]

Chemical composition

Calcium, Silicium, Titan, Sauerstoff, Vanadium

Unit weight: 198.3339875 u; Number of atoms in the formula: 8

Info

Empirical formula:

Ca(V0.75Ti0.25)[OSiO4]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

40.33

5

62.50

15.9994300

79.9971500

Silicon

Si

14.16

1

12.50

28.0855300

28.0855300

Calcium

Ca

20.21

1

12.50

40.0784000

40.0784000

Titanium

Ti

6.03

0.25

3.13

47.8671000

11.9667750

Vanadium

V

19.26

0.75

9.38

50.9415100

38.2061325

Analysis wt%

Ø SiO2 : 30.47, VO2 : 29.86, TiO2 : 10.51, Fe2O3 : 0.46, CaO : 28.33 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 94)

Strunz 9th edition incl. updates

9.AG.15

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
G: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in meist [6] und > [6] Koordination
15:Titanit-Gruppe

Lapis Classification

VIII/B.12-015

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
12: Kationen mit Koordinationszahlen zwischen [8] und [12]

Classification by Hölzel

9.AG.440

9: SILICATES
A: Nesosilicates
G: Nesosilicates with Cation: O
4: C small + large; Titanite-Group

Dana 8th edition

52.04.03.03

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
04: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or > [6] coordination
03: Titanite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

tief rot

Streak color

rot

Diaphaneity (Transparency)

transparent

max. Birefringence

0.15~

Birefringence chart\! Vanadomalayaite title=Birefringence chart Vanadomalayaite

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

1.95

RI value γ / ε

2.105

Ri mean

2.02~

2V angle

Biaxial

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

6.526

Cell parameters b (Å)

8.691

Cell parameters c (Å)

7.032

Cell parameters a/b or c/a

0.751

Cell parameters c/b

0.809

Cell parameters α

90°

Cell parameters β

113.88

Cell parameters γ

90°

Z

4

Volume (ų)

364.695

X-Ray Powder Diffraction

4.90(30),
3.22(100),
2.97(50),
2.59(80),
2.271(30),
2.057(30),
1.702(30),
1.641(30)

XRD chart Vanadomalayaite

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)

3.6

3.612 ( ρ calc. Mineralienatlas )

Cleavages

gut {110}

Preface

Author (Name, Year)

Basso & Lucchetti & Zefiro & Palenzona, 1994

References

Neues Jahrbuch für Mineralogie, Monatshefte (1994), 489

Other languages

German

Vanadomalayait

English

Vanadomalayaite

French

Vanadomalayaite

Spanish

Vanadomalayaíta

Russian

Ванадомалаяит

Japanese

バナドマラヤ石

CNMNC (IMA)-Number

IMA 1993-032

CNMNC symbol

Symbol

Vmly

Locations with GPS information

IDs

GUSID (Global unique identifier short form) t1c-FrB1WkGrtRbWL1z61Q
GUID (Global unique identifier) 163E57B7-75B0-415A-ABB5-16D62F5CFAD5
Database ID 4020