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Suseinargiuite

Collectors Summary

Color farblos
Streak color weiß
Lustre Perlglanz, Diamantglanz
Crystal System tetragonal, I41/a
Morphology Suseinargiuit tritt als halbkugelförmige Aggregate aus sehr kleinen nadelförmigen Kristallen bis zu einigen Mikrometern in der Länge auf.

Chemism

Chemical formula

NaBi(MoO4)2

Empirical formula (analysis)

(Na0.35Bi0.54Pb0.04)Σ0.93Mo0.99O4

Additional chem. information

Das Na-Bi Analog von Wulfenit

Chemical composition

Bismut, Molybdän, Natrium, Sauerstoff

Unit weight: 288.16452585 u; Number of atoms in the formula: 5.92

Info

Empirical formula:

(Na0.35Bi0.54Pb0.04)Mo0.99O4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

22.21

4

67.57

15.9994300

63.9977200

Sodium

Na

2.79

0.35

5.91

22.9897702

8.0464196

Molybdenum

Mo

32.96

0.99

16.72

95.9420000

94.9825800

Lead

Pb

2.88

0.04

0.68

207.2100000

8.2884000

Bismuth

Bi

39.16

0.54

9.12

208.9803820

112.8494063

Analysis wt%

MoO3 : 49.03, Bi2O3 : 42.97, PbO : 2.89, Na2O : 3.69, Total : 98.58

Strunz 9th edition incl. updates

7.GA.05

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
G: Molybdate und Wolframate
A: Ohne zusätzliche [Anionen] oder H2O
05:Scheelit-Gruppe

Lapis Classification

VI/G.01-035

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
G: Molybdate [MoO4] 2- und Wolframate [WO4] 2-

IMA status

anerkannt - CNMNC Newsletter No. 24, April 2015

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Lustre

Perlglanz, Diamantglanz

Crystallography

Crystal System

tetragonal

Class (H-M)

4/m

Space Group number

88

Space Group

I41/a

Cell parameters a (Å)

5.296(1)

Cell parameters b (Å)

-

Cell parameters c (Å)

11.673(2)

Cell parameters a/b or c/a

2.204

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

327.4

X-Ray Powder Diffraction

3.146(vs), 2.912(mw), 2.652(mw), 1.964(m), 1.975(mw), 1.728(mw), 1.616(mw), 1.580(w)

Morphology

Suseinargiuit tritt als halbkugelförmige Aggregate aus sehr kleinen nadelförmigen Kristallen bis zu einigen Mikrometern in der Länge auf.

Physical Properties

Density (g/cm³)

5.846 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Sardinien (Sardegna), Region/Cagliari, Metropolitanstadt/Sarroch/Su Senargiu mine

Type material

Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), Italien

Collection number of type material

19692

Preface

Author (Name, Year)

Paolo Orlandi, Cristian Biagioni, Yves Moëlo, Jessica Langlade and Eric Faulques (2015)

References

Orlandi, P., Biagioni, C., Moëlo, Y., Langlade, J. and Faulques, E. (2015) Suseinargiuite, IMA 2014-089. CNMNC Newsletter No. 24, April 2015, page 248; Mineralogical Magazine, 79, 247-251.

Orlandi, P., Biagioni, C., Moëlo, Y., Langlade, J., Faulques, E. (2015): Suseinargiuite, (Na0.5Bi0.5)MoO4, the Na-Bi analogue of wulfenite, from Su Seinargiu, Sardinia, Italy. European Journal of Mineralogy, 27, 695-699.

Other languages

German

Suseinargiuit

English

Suseinargiuite

Russian

Сусейнарджиуит

CNMNC (IMA)-Number

IMA 2014-089

CNMNC symbol

Symbol

Sag

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 8eIhW2GtpEG4yWNzjzdB6g
GUID (Global unique identifier) 5B21E2F1-AD61-41A4-B8C9-63738F3741EA
Database ID 7899