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Yangzhumingite

Pictures (2 Images total)

Yangzhumingite
Views (Image: 1463562143): 558
Yangzhumingite

Bronze plates of this "Tainiolite" in alkaline metasomatic rock had turned out new mica Yangzhumingite. Its composition is K1.03(Mg2.29Li0.21Fe0.05Mn0.03)2.592F2.00 (Li content was calculated accor...

Copyright: Pavel M. Kartashov
Contribution: Stefan 2016-05-18
Locality: Bayan Obo SE-Fe-Nb-Lagerstätte / Bayan Obo / Vereinigtes Darhan-Mumingan-Banner / Baotou / Innere Mongolei (Neimenggu) / China
Yangzhumingite
Views (Image: 1463562267): 421
Yangzhumingite

Bronze plates of this "Tainiolite" in alkaline metasomatic rock had turned out new mica Yangzhumingite. Its composition is K1.03(Mg2.29Li0.21Fe0.05Mn0.03)2.592F2.00 (Li content was calculated accor...

Copyright: Pavel M. Kartashov
Contribution: Stefan 2016-05-18
Locality: Bayan Obo SE-Fe-Nb-Lagerstätte / Bayan Obo / Vereinigtes Darhan-Mumingan-Banner / Baotou / Innere Mongolei (Neimenggu) / China

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3 (synthetisch)
Cleavages vollkommen {001}
Crystal System monoklin, C2/m
Morphology abgeflachte Kristalle bis 0.5 mm

Chemism

Chem­ical formula

KMg2.5Si4O10F2

Addi­tional chem. informa­tion

Glimmer Gruppe

Chem­ical com­po­si­tion

Magnesium, Silicium, Fluor, Kalium, Sauerstoff

Unit weight: 410.1941865 u; Number of atoms in the formula: 19.5

Info

Empirical formula:

KMg2.5Si4O10F2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

39.00

10

51.28

15.9994300

159.9943000

Fluorine

F

9.26

2

10.26

18.9984033

37.9968065

Magnesium

Mg

14.81

2.5

12.82

24.3050600

60.7626500

Silicon

Si

27.39

4

20.51

28.0855300

112.3421200

Potassium

K

9.53

1

5.13

39.0983100

39.0983100

Anal­y­sis wt%

SiO2 : 58.80, TiO2 : 0.41, MgO : 24.70, FeO : 1.00, K2O : 8.20, Li2O : 1.10, F : 9.04 (Ref: European Journal of Mineralogy 2011)

Strunz 9th edi­tion incl. updates

9.EC.20

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
20:Phlogopit-Gruppe

Lapis Clas­sifica­tion

VIII/H.11-018

VIII: SILIKATE
H: Schichtsilikate
11: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Glimmer-Gruppe; Lithionit/Biotit-Reihe

Clas­sifica­tion by Hölzel

9.ED.410

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA sta­tus

anerkannt, IMA WEB-Seite, Neue Mineralien Juli 2009

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Mica group  ⇒ True micas

Optical Properties

Color

farblos

Streak color

weiß

max. Birefrin­gence

0.005

Birefringence chart\! Yangzhumingite title=Birefringence chart Yangzhumingite

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

1.532

RI value β

min-

RI value γ / ε

1.537

Ri mean

1.535

2V angle

Biaxial 5-10° (gemessen)

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

5.249(4)

Cell param­e­ters b (Å)

9.095(5)

Cell param­e­ters c (Å)

10.142(5)

Cell param­e­ters a/b or c/a

0.577

Cell param­e­ters c/b

1.115

Cell param­e­ters α

90°

Cell param­e­ters β

99.96(6)°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

476.878

Kristall struc­ture

Glimmer-Gruppe; Mg-Analog von Montdorit

X-Ray Pow­der Diffrac­tion

10.03(95), 4.51(45), 3.37(48), 3.12(41), 2.90(49), 2.62(43), 2.59(67), 2.41(100)

XRD chart Yangzhumingite

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

Morphol­ogy

abgeflachte Kristalle bis 0.5 mm

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3 (synthetisch)

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.857 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {001}

Tenac­ity

flexibel und elastisch

(Co-)Type locality

(Co-)Type locality

China/Innere Mongolei (Neimenggu)/Baotou/Vereinigtes Darhan-Mumingan-Banner/Bayan Obo/Bayan Obo SE-Fe-Nb-Lagerstätte/Ost-Bruch (East Mine)

Type mate­r­ial

Nationalmuseum der Natur und Wissenschaft, Tokyo, Japan (NSM-MF15361)

Institut der Geologie und Geophysik, Chinesische Akademie der Wissenschaft, Beijing, Volksrepublik China (KDX015).

Par­a­ge­n­e­sis of type mate­r­ial

Dolomit, Calcit, Tremolit, Norbergit, Huanghoit-(Ce) mit geringer Phlogopit, Baryt, Bastnäsit-(Ce), Parisit-(Ce), Fluorit

Preface

Occurrences

In metamorphen carbonatischen GEsteinen in der Übergangszone zwischen Dolomit und Schiefer in Seltenerden-Lagerstätten.

Name from

Der Name ehrt Professor Yang Zhuming (geboren 1951), Mineraloge und Kristallograph und ehrt seine Beiträge zur Mineralogie der Bayan Obo Lagerstätte.

Author (Name, Year)

Ritsuro Miyawaki, 2009

References

IMA WEB-Seite, Neue Mineralien Juli 2009

Miyawaki R., Shimazaki H., Shigeoka M., Yokoyama K., Matsubara S., Yurimoto H (2011) Yangzhumingite, KMg2.5Si4O10F2, a new mineral in the mica group from Bayan Obo, Inner Mongolia, China. European Journal of Mineralogy, 23, 467-473

IMA group assignments

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

Annite

KFe2+3(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/m

9.EC.20

'Biotite'

K(Mg,Fe2+)3(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/m

9.EC.20

Garmite

CsLiMg2(Si4O10)F2

monoklin : m, 2/m : C2, Cm

9.EC.20

'Ephesite'

NaLiAl2(Al2Si2)O10(OH)2

monoklin : m : Cc

9.EC.20

Meifuite

KFe6(Si7Al)O19(OH)4Cl2

triklin : 1 : P1

9.EC.20

Orlovite

KLi2TiSi4O11F

monoklin : 2 : C2

9.EC.20

Wonesite

(Na,K,☐)(Mg,Fe,Al)6(Si,Al)8O20(OH,F)4

triklin : 1 : C1

9.EC.20

Eastonite

KMg2Al[(OH)2|Al2Si2O10]

monoklin : 2 : C2

9.EC.20

Suhailite

(NH4)(Fe2+)3(Si3Al)O10(OH)2

monoklin : C2/m ?

9.EC.20

Norrishite

KLiMn3+2Si4O12

monoklin : 2/m : C2/m

9.EC.20

Phlogopite

KMg3(Si3Al)O10(F,OH)2

monoklin : 2/m : C2/m

9.EC.20

Aspidolite-1M

NaMg3(AlSi3)O10(OH)2

monoklin : 2/m : C2/m

9.EC.20

Balestraite

KLi2V5+Si4O12

monoklin : 2 : C2

9.EC.20

Fluorannite

KFe32+[(F,OH)2|AlSi3O10]

monoklin : 2/m : C2/m

9.EC.20

Gorbunovite

CsLi2(Ti,Fe)Si4O10(F,OH,O)2

monoklin : 2/m, 2, m : C2/m, C2, Cm

9.EC.20

Sokolovaite

CsLi2AlSi4O10F2

9.EC.20

'Zinnwaldite'

KLiFe2+Al(AlSi3)O10(F,OH)2

monoklin : 2 : C2

9.EC.20

Hendricksite

K(Zn,Mn)3Si3AlO10(OH)2

monoklin : 2/m : C2/m

9.EC.20

Yangzhumingite

KMg2.5Si4O10F2

monoklin : 2/m : C2/m

9.EC.20

Fluorotetraferriphlogopite

KMg3Fe3+Si3O10F2

monoklin : 2/m : C2/m

9.EC.20

Preiswerkite

NaMg2Al3Si2O10(OH)2

monoklin : 2/m : C2/m

9.EC.20

'Shirozulite'

K(Mn2+,Mg)3[(OH)2|AlSi3O10]

9.EC.20

Kreiterite

CsLi2Fe3+Si4O10F2

monoklin : 2/m, m, 2 : C2/m, C2, Cm

9.EC.20

Masutomilite

K(Li,Al,Mn2+)3(Si,Al)4O10(F,OH)2

monoklin : 2 : C2

9.EC.20

Oxyphlogopite

K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2

monoklin : 2/m : C2/m

9.EC.20

Shirokshinite

KNaMg2[F2|Si4O10]

monoklin : 2/m : C2/m

9.EC.20

Trilithionite

KLi1.5Al1.5[F2|AlSi3O10]

monoklin : 2/m : C2/m

9.EC.20

Polylithionite

KLi2AlSi4O10(F,OH)2

monoklin : 2/m : C2/m

9.EC.20

Siderophyllite

KFe22+Al(Al2Si2)O10(F,OH)2

monoklin : 2 : C2/m

9.EC.20

'Spodiophyllite'

(Na,K)4(Mg,Fe2+)3(Fe3+,Al)2(Si8O24)

9.EC.20

'Fluorphlogopite'

K(Mg,Fe2+)3(Si3Al)O10(F,OH)2

9.EC.20

Fluorophlogopite

KMg3(AlSi3)O10F2

monoklin : 2/m : C2/m

9.EC.20

'Tetraferriannite'

KFe2+3(Si3Fe3+)O10(OH)2

monoklin : 2/m : C2/m

9.EC.20

Tetraferriphlogopite

KMg3[(F,OH)2|(Al,Fe3+)Si3O10]

monoklin : 2/m : C2/m

9.EC.20

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

Polylithionite

KLi2AlSi4O10(F,OH)2

monoklin : 2/m : C2/m

VIII/H.11-010

Orlovite

KLi2TiSi4O11F

monoklin : 2 : C2

VIII/H.11-012

Sokolovaite

CsLi2AlSi4O10F2

VIII/H.11-015

Yangzhumingite

KMg2.5Si4O10F2

monoklin : 2/m : C2/m

VIII/H.11-018

Tainiolite

KLiMg2Si4O10F2

monoklin : 2/m : C/2m

VIII/H.11-020

Norrishite

KLiMn3+2Si4O12

monoklin : 2/m : C2/m

VIII/H.11-030

Shirokshinite

KNaMg2[F2|Si4O10]

monoklin : 2/m : C2/m

VIII/H.11-035

Montdorite

KMn0.52+Fe1.52+Mg0.5[F2|Si4O10]

monoklin : 2/m : C2/m

VIII/H.11-040

Trilithionite

KLi1.5Al1.5[F2|AlSi3O10]

monoklin : 2/m : C2/m

VIII/H.11-050

Voloshinite

Rb(LiAl1.50.5)(Al0.5Si3.5)O10F2

monoklin : C2/c

VIII/H.11-055

Masutomilite

K(Li,Al,Mn2+)3(Si,Al)4O10(F,OH)2

monoklin : 2 : C2

VIII/H.11-060

Aspidolite-1M

NaMg3(AlSi3)O10(OH)2

monoklin : 2/m : C2/m

VIII/H.11-070

Oxyphlogopite

K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2

monoklin : 2/m : C2/m

VIII/H.11-073

'Fluorphlogopite'

K(Mg,Fe2+)3(Si3Al)O10(F,OH)2

VIII/H.11-075

Phlogopite

KMg3(Si3Al)O10(F,OH)2

monoklin : 2/m : C2/m

VIII/H.11-080

Fluorotetraferriphlogopite

KMg3Fe3+Si3O10F2

monoklin : 2/m : C2/m

VIII/H.11-088

Tetraferriphlogopite

KMg3[(F,OH)2|(Al,Fe3+)Si3O10]

monoklin : 2/m : C2/m

VIII/H.11-090

Hendricksite

K(Zn,Mn)3Si3AlO10(OH)2

monoklin : 2/m : C2/m

VIII/H.11-100

'Shirozulite'

K(Mn2+,Mg)3[(OH)2|AlSi3O10]

VIII/H.11-102

Fluorannite

KFe32+[(F,OH)2|AlSi3O10]

monoklin : 2/m : C2/m

VIII/H.11-105

Annite

KFe2+3(Si3Al)O10(OH,F)2

monoklin : 2/m : C2/m

VIII/H.11-110

'Tetraferriannite'

KFe2+3(Si3Fe3+)O10(OH)2

monoklin : 2/m : C2/m

VIII/H.11-120

Suhailite

(NH4)(Fe2+)3(Si3Al)O10(OH)2

monoklin : C2/m ?

VIII/H.11-125

'Ephesite'

NaLiAl2(Al2Si2)O10(OH)2

monoklin : m : Cc

VIII/H.11-130

Preiswerkite

NaMg2Al3Si2O10(OH)2

monoklin : 2/m : C2/m

VIII/H.11-140

Eastonite

KMg2Al[(OH)2|Al2Si2O10]

monoklin : 2 : C2

VIII/H.11-150

Siderophyllite

KFe22+Al(Al2Si2)O10(F,OH)2

monoklin : 2 : C2/m

VIII/H.11-160

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

Shirokshinite

KNaMg2[F2|Si4O10]

monoklin : 2/m : C2/m

9.ED.400

Yangzhumingite

KMg2.5Si4O10F2

monoklin : 2/m : C2/m

9.ED.410

Other languages

German

Yangzhumingit

English

Yangzhumingite

Russian

Янчжуминит

IMA Number

IMA 2009-017

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

German pages

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English pages

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Russian pages

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