https://www.mineralbox.biz
https://www.edelsteine-neuburg.de
https://www.mineraliengrosshandel.com
https://www.mineral-bosse.de
'._('einklappen').'
 

Zoltaiite

Collectors Summary

Color stahlgrau bis schwarz
Lustre nahezu Metallglanz bis Matt
Hardness (Mohs) 6 - 7
Cleavages keine
Fracture unregelmäßig
Crystal System trigonal, P3

Chemism

Chem­ical formula

BaV4+2V3+12Si2O27

Chem­ical com­po­si­tion

Barium, Silicium, Sauerstoff, Vanadium

Unit weight: 1338.66451 u; Number of atoms in the formula: 44

Info

Empirical formula:

BaV2V12Si2O27

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

32.27

27

61.36

15.9994300

431.9846100

Silicon

Si

4.20

2

4.55

28.0855300

56.1710600

Vanadium

V

53.28

14

31.82

50.9415100

713.1811400

Barium

Ba

10.26

1

2.27

137.3277000

137.3277000

Anal­y­sis wt%

SiO2 : 9.01, TiO2 : 7.59, V2O3 : 63.88, Fe2O3 : 2.85, Cr2O3 : 1.90, BaO : 11.67 (Ref: American Mineralogist 2005)

Strunz 9th edi­tion incl. updates

9.AG.85

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

Lapis Clas­sifica­tion

IV/C.23-035

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)

Clas­sifica­tion by Hölzel

9.AJ.150

9: SILICATES
A: Nesosilicates
J: Nesosilicates with other complex Anions
1: C small; Welinite-Group

Dana 8th edi­tion

47.02.06.01

47: Vanadium Oxysalts
02: Vanadium Oxysalts (VmOn)

IMA sta­tus

anerkannt 2003

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

stahlgrau bis schwarz

Change in color

schwache Bireflektion

Diaphane­ity (Trans­parency)

opak

Lus­tre

nahezu Metallglanz bis Matt

Pleochro­ism

schwach

Anisotropism

schwach

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(470) 15.9, 16.8, 16.4
(546) 16.0, 17.3, 16.7
(589) 15.9, 17.4, 16.7
(650) 16.1, 17.7, 16.9

Reflection chart Zoltaiite

Reflec­tiv­ity Ø

16.64

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3

Space Group number

147

Space Group

P3

Cell param­e­ters a (Å)

7.601

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

9.219

Cell param­e­ters a/b or c/a

1.213

Cell param­e­ters c/b

-

Z

1

Volumne (ų)

461.271

X-Ray Pow­der Diffrac­tion

9.22(53), 3.100(70), 2.785(100), 2.679(62), 2.402(48), 2.190(97), 1.934(75)

XRD chart Zoltaiite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6 - 7

VHN (Hard­ness Vick­ers)

960 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.83

4.819 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Frac­ture

unregelmäßig

Preface

Name from

Tibor Zoltai

Author (Name, Year)

Bartolomew & Mancini & Cahill & Harlow & Bernardt, 2005

References

American Mineralogist 90 (2005), 1655

Lapis Jg. 39, Nr 5, Mai 2014

Other languages

German

Zoltaiit

English

Zoltaiite

Russian

Золтаиит

CNMNC (IMA)-Number

IMA 2003-006

CNMNC symbol

Symbol

Zol

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Золтаиит

Mineral Dealer

German pages

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

Locations with GPS information