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Vuagnatite

Pictures (4 Images total)

Vuagnatit
Views (Image: 1415523906): 687
Vuagnatit

King Mine, Red Mountain, Mayacmas Mountains, Mendocino, Kalifornien, USA. Bildbreite 1,3 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Locality: Copper King Mine / Red Mountain District / Mendocino Co. / Kalifornien (California) / USA
Vuagnatit
Views (Image: 1415523973): 456
Vuagnatit

King Mine, Red Mountain, Mayacmas Mountains, Mendocino, Kalifornien, USA. Bildbreite 1 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Locality: Copper King Mine / Red Mountain District / Mendocino Co. / Kalifornien (California) / USA
Vuagnatit (farblos)   Mcguinnessit (grüne Kugeln)
Views (Image: 1415524437): 454
Vuagnatit (farblos) Mcguinnessit (grüne Kugeln)

King Mine, Red Mountain, Mayacmas Mountains, Mendocino, Kalifornien, USA. Bildbreite 0,8 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Locality: Copper King Mine / Red Mountain District / Mendocino Co. / Kalifornien (California) / USA
Vuagnatit (farblos)   Mcguinnessit (grüne Kugeln)
Views (Image: 1415524475): 424
Vuagnatit (farblos) Mcguinnessit (grüne Kugeln)

King Mine, Red Mountain, Mayacmas Mountains, Mendocino, Kalifornien, USA. Bildbreite 0,8 mm.

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2014-11-09
Locality: Copper King Mine / Red Mountain District / Mendocino Co. / Kalifornien (California) / USA

Collectors Summary

Color farblos, weiß, hellrosa
Streak color weiß
Hardness (Mohs) 7
Crystal System orthorhombisch, P212121

Chemism

Chem­ical formula

CaAlSiO4(OH)

Chem­ical com­po­si­tion

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 176.1505652 u; Number of atoms in the formula: 9

Info

Empirical formula:

CaAlSiO4(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.57

1

11.11

1.0079470

1.0079470

Oxygen

O

45.41

5

55.56

15.9994300

79.9971500

Aluminium

Al

15.32

1

11.11

26.9815382

26.9815382

Silicon

Si

15.94

1

11.11

28.0855300

28.0855300

Calcium

Ca

22.75

1

11.11

40.0784000

40.0784000

Anal­y­sis wt%

SiO2 : 34.10, Al2O3 : 28.95, CaO : 31.83, H2O : 5.12 (Ref: American Mineralogist 76)

Strunz 9th edi­tion incl. updates

9.AG.60

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

Lapis Clas­sifica­tion

VIII/B.23-010

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

Clas­sifica­tion by Hölzel

9.AI.400

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
4: C small + large without REE's

Dana 8th edi­tion

52.04.02.02

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
02: Vuagnatite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Adelite-Descloizite group

Optical Properties

Color

farblos, weiß, hellrosa

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.030

Birefringence chart\! Vuagnatite title=Birefringence chart Vuagnatite

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

1.700

RI value β

1.725

RI value γ / ε

1.730

Ri mean

1.718

2V angle

Biaxial (-) 48°

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

222

Space Group number

19

Space Group

P212121

Cell param­e­ters a (Å)

7.055

Cell param­e­ters b (Å)

8.542

Cell param­e­ters c (Å)

5.683

Cell param­e­ters a/b or c/a

0.826

Cell param­e­ters c/b

0.665

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

342.479

X-Ray Pow­der Diffrac­tion

3.94(40),
2.993(100),
2.635(70),
2.517(60),
2.453(50),
2.391(60),
2.212(40),
2.14(40)

XRD chart Vuagnatite

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)

7

VHN (Hard­ness Vick­ers)

1300 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.2 - 3.25 / Durchschnittlich = 3.22

3.416 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Sarp & Bertrand & McNear, 1976

References

American Mineralogist 61 (1976), 825

IMA group assignments

Other languages

German

Vuagnatit

Spanish

Vuagnatita

English

Vuagnatite

French

Vuagnatite

Russian

Вюаньятит

CNMNC (IMA)-Number

IMA 1975-007

CNMNC symbol

Symbol

Vgn

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

German pages

DeWikiPedia - search for: Vuagnatit
Google-Bilder-Suche - search for: Vuagnatit
Mineralienatlas.de (Forum) - search for: Vuagnatit

English pages

Mindat - search for: Vuagnatite
Webmineral - search for:Vuagnatite
Handbook-of-Mineralogy - search for: Vuagnatite
RRUFF - Raman, XRD and other mineral data - search for: Vuagnatite
RRUFF - References and PDF downloads - search for: Vuagnatite
American-Mineralogist-Crystal-Structure-Database - search for: Vuagnatite
Strahlen.org - search for: Vuagnatite

Russian pages

Webmineral.ru - search for: Вюаньятит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Vuagnatit
Crystal-Treasure.com - search for: Vuagnatit
Bosse - search for: Vuagnatit
Edelsteine Neuburg - Gundolf Fischer - search for: Vuagnatit

Locations with GPS information