'._('einklappen').'
 

Müllerite

Collectors Summary

Color gelb mit Tendenz zu rötlich-orange
Streak color blaßgelb
Lustre Halbdiamantglanz, Fettglanz
Hardness (Mohs) ~2
Cleavages vollkommen {001}
Fracture unregelmäßig
Crystal System trigonal, P312
Morphology Müllerit kommt als hexagonale Platten und dünne Platten mit einem Durchmesser von bis zu 0,2 mm, ineinander verwachsene kugelförmige Cluster und verstreute Flocken vor. Die wichtigsten beobachteten Formen sind {100} und {001}.

Chemism

Chem­ical formula

Pb2Fe3+(Te6+O6)Cl

Empir­ical formula (anal­y­sis)

Pb1.83Ag0.26Fe0.93Al0.03Cu0.02Te6+0.95O5.56Cl1.30I0.14

Chem­ical com­po­si­tion

Blei, Chlor, Eisen, Tellur, Sauerstoff

Unit weight: 735.291912366 u; Number of atoms in the formula: 11.02

Info

Empirical formula:

Pb1.83Ag0.26Fe0.93Al0.03Cu0.02Te0.95O5.56Cl1.30I0.14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

12.10

5.56

50.45

15.9994300

88.9568308

Aluminium

Al

0.11

0.03

0.27

26.9815382

0.8094461

Chlorine

Cl

6.27

1.3

11.80

35.4532000

46.0891600

Iron

Fe

7.06

0.93

8.44

55.8452000

51.9360360

Copper

Cu

0.17

0.02

0.18

63.5463000

1.2709260

Silver

Ag

3.81

0.26

2.36

107.8682200

28.0457372

Tellurium

Te

16.49

0.95

8.62

127.6030000

121.2228500

Iodine

I

2.42

0.14

1.27

126.9044730

17.7666262

Lead

Pb

51.57

1.83

16.61

207.2100000

379.1943000

Strunz 9th edi­tion incl. updates

7.BC.

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
B: Sulfate (Selenate, etc.) mit weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]

IMA sta­tus

anerkannt - CNMNC Newsletter 52 (2019)

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

gelb mit Tendenz zu rötlich-orange

Streak color

blaßgelb

Lus­tre

Halbdiamantglanz, Fettglanz

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

312

Space Group number

149

Space Group

P312

Cell param­e­ters a (Å)

5.2043(3)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

8.963(1)

Cell param­e­ters a/b or c/a

1.722

Cell param­e­ters c/b

-

Z

1

Volumne (ų)

210.237

Kristall struc­ture

Das Fe3+ Analog von Backit; Struktur ermittelt

X-Ray Pow­der Diffrac­tion

4.495(40), 4.009(14), 3.174(100), 2.597(54), 2.247(20), 2.009(32), 1.697(25), 1.590(31)

XRD chart Müllerite

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

Morphol­ogy

Müllerit kommt als hexagonale Platten und dünne Platten mit einem Durchmesser von bis zu 0,2 mm, ineinander verwachsene kugelförmige Cluster und verstreute Flocken vor. Die wichtigsten beobachteten Formen sind {100} und {001}.

Physical Properties

Hard­ness (Mohs)

~2

Density (g/cm³)

5.812 (berechnet)

5.807 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {001}

Frac­ture

unregelmäßig

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

USA/Kalifornien (California)/San Bernardino Co./Baker/Otto Mountain/Aga Mine

USA/Kalifornien (California)/San Bernardino Co./Baker/Otto Mountain/Bird Nest drift

USA/Kalifornien (California)/San Bernardino Co./Baker/Otto Mountain/Bird Nest E3

USA/Kalifornien (California)/San Bernardino Co./Baker/Otto Mountain/Library Mine

Type mate­r­ial

Das Typusmaterial befindet sich in den mineralogischen Sammlungen des Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, Katalognummern 73609 (SW Cut), 73610 (Ader E3), 73611 (Bird Nest drift) und 73612 (Aga Mine) sowie in den Museen Victoria, GPO Box 666, Melbourne 3001, Victoria, Australien, Exemplarnummer M54913 (Aga Mine)

Preface

Author (Name, Year)

Stuart J. Mills, Anthony R. Kampf, Koichi Momma, Robert M. Housley und Joseph Marty (2019)

References

Stuart J. Mills; Anthony R. Kampf; Koichi Momma; Robert M. Housley; Joseph Marty: Müllerite, the Fe-analogue of backite from Otto Mountain, California, USA. The Canadian Mineralogist Vol. 58, Nr. 4 (2020) S. 413-419.

Mills, S.J., Kampf, A.R., Momma, K., Housley, R.M. and Marty, J. (2019) Müllerite, IMA 2019-060. CNMNC Newsletter No. 52; Mineralogical Magazine, 83, https://doi.org/10.1180/mgm.2019.73

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Backite

Pb2AlTeO6Cl

trigonal : 312 : P312

7.BC.

Mojaveite

Cu6[Te6+O4(OH)2](OH)7Cl

trigonal : 3 : R3

7.BC.

Adranosite-(Al)

(NH4)4NaAl2(SO4)4Cl(OH)2

tetragonal : 4/mmm : I41/acd

7.BC.

Müllerite

Pb2Fe3+(Te6+O6)Cl

trigonal : 312 : P312

7.BC.

D'Ansite

Na21MgCl3(SO4)10

kubisch : 43m : I43d

7.BC.05

D'Ansite-(Fe)

Na21Fe(SO4)10Cl3

kubisch : 43m : I43d

7.BC.05

D'Ansite-(Mn)

Na21Mn2+(SO4)10Cl3

kubisch : 43m : I43d

7.BC.05

Alunite

KAl3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Huangite

Ca0.5Al3[(OH)6|(SO4)2]

trigonal : 3m : R3m

7.BC.10

Jarosite

KFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Walthierite

Ba0.5Al3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Natroalunite-1c

Na2Al3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Osarizawaite

Pb(Al2Cu2+)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Dorallcharite

(Tl,K)Fe3+3[(OH)6|(SO4)2]

trigonal : 3m : R3m

7.BC.10

Natrojarosite

NaFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Ammonioalunite

NH4Al3(SO4)2(OH)6

trigonal : 3m, 3m : R3m, R3m

7.BC.10

Beaverite-(Cu)

Pb(Fe3+2Cu)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Plumbojarosite

PbFe63+(SO4)4(OH)12

trigonal : 3m : R3m

7.BC.10

Ammoniojarosite

NH4Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Argentojarosite

AgFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Beaverite-(Zn)

Pb(Fe3+2Zn)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Natroalunite-2c

NaAl3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Schlossmacherite

(H3O,Ca)Al3(AsO4,SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Hydronium jarosite

(H3O)Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Ye'elimite

Ca4Al6O12(SO4)

kubisch : 432 : I4132

7.BC.15

Nabokoite

Cu72+Te4+O4(SO4)5·KCl

tetragonal : 4/mmm : P4/ncc

7.BC.20

Atlasovite

KCu62+Fe3+Bi3+[O4|Cl|(SO4)5]

tetragonal : 4/mmm : P4/ncc

7.BC.20

Chlorothionite

K2Cu(SO4)Cl2

orthorhombisch : mmm : Pnma

7.BC.25

Puninite

Na2Cu3O(SO4)3

monoklin : 2/m : C2/c

7.BC.30

Euchlorine

KNaCu32+(SO4)3O

monoklin : 2/m : C2/c

7.BC.30

Fedotovite

K2Cu2+3(O|(SO4)3)

monoklin : 2/m : C2/c

7.BC.30

Kamchatkite

KCu32+OCl(SO4)2

orthorhombisch : mm2 : Pna21

7.BC.35

Piypite

K4Cu4O2(SO4)4·(Na,Cu)Cl

tetragonal : 4 : I4

7.BC.40

Eleomelanite

(K2Pb)Cu4O2(SO4)4

monoklin : 2/m : P21/n

7.BC.45

Klyuchevskite

K3Cu3(Fe3+,Al)O2(SO4)4

monoklin : 2 : I2

7.BC.45

Alumoklyuchevskite

K3Cu3(Al,Fe3+)O2(SO4)4

monoklin : 2 : I2

7.BC.45

Caledonite

Pb5Cu2(CO3)(SO4)3(OH)6

orthorhombisch : mm2 : Pmn21

7.BC.50

Wherryite

Pb7Cu2(SO4)4(SiO4)2(OH)2

monoklin : 2/m : C2/m

7.BC.55

Mammothite

Pb6Cu4AlSb5+O2(SO4)2Cl4(OH)16

monoklin : 2 : C2

7.BC.60

Linarite

PbCu(SO4)(OH)2

monoklin : 2/m : P21/m

7.BC.65

Munakataite

Pb2Cu2(Se4+O3)(SO4)(OH)4

monoklin : 2/m : P21/m

7.BC.65

Schmiederite

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

monoklin : 2/m : P21/m

7.BC.65

Chenite

Pb4Cu(SO4)2(OH)6

triklin : 1 : P1

7.BC.70

Krivovichevite

Pb3[Al(OH)6](SO4)(OH)

trigonal : 3m : R3c

7.BC.75

'Anhydrokainite'

KMg(SO4)Cl

7.BC.80

Balićžunićite

Bi2O(SO4)2

triklin : 1 : P1

7.BC.90

Adranosite-(Fe)

(NH4)4NaFe3+2(SO4)4Cl(OH)2

tetragonal : 4/mmm : I41/acd

7.BC.90

Other languages

German

Müllerit

English

Müllerite

IMA Number

IMA 2019-060

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

German pages

DeWikiPedia - search for: Müllerit
Google-Bilder-Suche - search for: Müllerit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Müllerit

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Müllerit
Crystal-Treasure.com - search for: Müllerit
Bosse - search for: Müllerit

Locations with GPS information