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Lunijianlaite

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Lunijianlait
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Lunijianlait

Pyrophyllit Lagerstätte, Haikou, Zheijing, China. 2015. D:5cm.

Collection: Geologisches Museum Peking
Copyright: Doc Diether
Contribution: Doc Diether 2015-08-12
Locality: Pyrophyllitlagerstätte / Qingtian, Kreis / Lishui, Präfektur / Zhejiang, Provinz / China

Collectors Summary

Color farblos, weiß
Streak color weiß
Lustre Perlglanz, Glasglanz
Hardness (Mohs) 2
Cleavages vollkommen {001}
Fracture uneben
Crystal System monoklin,

Chemism

Chem­ical formula

Li0.7Al6.2(Si7AlO20)(OH,O)10

Chem­ical com­po­si­tion

Aluminium, Lithium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 883.26712754 u; Number of atoms in the formula: 52.4

Info

Empirical formula:

Li0.7Al6.2(Si7AlO20)((OH)0.75O0.25)10

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.86

7.5

14.31

1.0079470

7.5596025

Lithium

Li

0.55

0.7

1.34

6.9412000

4.8588400

Oxygen

O

54.34

30

57.25

15.9994300

479.9829000

Aluminium

Al

21.99

7.2

13.74

26.9815382

194.2670750

Silicon

Si

22.26

7

13.36

28.0855300

196.5987100

Anal­y­sis wt%

SiO2 : 41.61, Al2O3 : 44.80, Fe2O3 : 0.60, Li2O : 1.57, H2O : 11.30 (Ref: Acta Mineralogica Sinica 90)

Strunz 9th edi­tion incl. updates

9.EC.60

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

Lapis Clas­sifica­tion

VIII/H.18-005

VIII: SILIKATE
H: Schichtsilikate
18: Tonminerale, regulär geschichtet; Montmorillonit-Gruppe

Clas­sifica­tion by Hölzel

9.EH.100

9: SILICATES
E: Phyllosilicates
H: Interstratificated Micas
1: Monoclinic Rectorite-Group

Dana 8th edi­tion

71.04.02.02

71: Phyllosilicate Minerals
04: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings interlayered 1:1, 2:1, and octahedra
02: Interstratified Chlorite-Smectite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Perlglanz, Glasglanz

max. Birefrin­gence

0.011

Birefringence chart\! Lunijianlaite title=Birefringence chart Lunijianlaite

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

1.576

RI value β

1.582

RI value γ / ε

1.587

Ri mean

1.582

2V angle

Biaxial (-) 60° (gemessen) 84.8 (berechnet)

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

5.09

Cell param­e­ters b (Å)

8.97

Cell param­e­ters c (Å)

23.397

Cell param­e­ters a/b or c/a

0.567

Cell param­e­ters c/b

2.608

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

1068.244

X-Ray Pow­der Diffrac­tion

23.5(10),
11.8(10),
7.80(20),
4.704(100),
3.899(10),
3.343(50),
2.919(40),
2.337(10)

XRD chart Lunijianlaite

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

Physical Properties

Hard­ness (Mohs)

2

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.75 (gemessen)

2.746 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {001}

Frac­ture

uneben

Tenac­ity

flexibel

Preface

Author (Name, Year)

Kong & Peng & Tian, 1990

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 486

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

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

9.EC.60

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

9.EC.60

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

9.EC.60

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

9.EC.60

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

9.EC.60

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

9.EC.60

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

9.EC.60

'Karpinskite'

(Mg,Ni)2Si2O5(OH)2

9.EC.60

Hydrobiotite

K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O

monoklin : 2/m : C2/m

9.EC.60

Cortesognoite

CaV2Si2O7(OH)2·H2O

orthorhombisch : mmm : Cmcm

9.EC.60

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

9.EC.60

Brinrobertsite

(Na,K,Ca)0.3(Al,Fe,Mg)4(Si,Al)8O20(OH)4·3.5H2O

9.EC.60

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

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

VIII/H.18-005

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

VIII/H.18-007

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

VIII/H.18-010

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

VIII/H.18-020

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

VIII/H.18-030

'Tarasovite'

(Na,K,H3O,Ca)2Al4[(OH)2|(Si,Al)4O10]2·H2O

VIII/H.18-040

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

VIII/H.18-050

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

VIII/H.18-060

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

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

9.EH.100

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

9.EH.110

Kulkeite

Na0.35Mg8Al(AlSi7)O20(OH)10

9.EH.130

Rectorite

(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O

9.EH.140

Saliotite

Na0.5Li0.5Al3[(OH)5|AlSi3O10]

monoklin : 2/m : C2/m

9.EH.150

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

9.EH.170

Tosudite

Na0.5(Al,Mg)6(Si,Al)8O18(OH)12·5H2O

9.EH.180

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Cookeite

LiAl4(Si3Al)O10(OH)8

triklin : 1 : C1

71.04.01.02

'Chromian Clinochlore' (Var.v. Clinochlore)

Mg5(Al,Cr)2Si3O10(OH)8

71.04.01.04

Borocookeite

Li1-1.5Al4-3.5[(OH,F)8|(B,Al)Si3O10]

monoklin : 2/m : C2/m

71.04.01.10

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

71.04.02.01

Lunijianlaite

Li0.7Al6.2(Si7AlO20)(OH,O)10

71.04.02.02

Corrensite

(Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O

71.04.02.05

Aliettite

Ca0.2Mg6(Si,Al)8O20(OH)4·4H2O

71.04.02.08

Glagolevite

NaMg6[(OH,O)8|AlSi3O10]·H2O

triklin : 1 : C1

71.04.02.09

Franklinfurnaceite

Ca2(Fe3+,Al)Mn3+Mn32+Zn2Si2O10(OH)8

monoklin : 2 : C2

71.04.03.01

Other languages

German

Lunijianlait

French

Lunijianlaite

English

Lunijianlaite

Spanish

Lunijianlaíta

Traditional Chinese

綠泥間蠟石

Simplified Chinese

绿泥间蜡石

IMA Number

IMA 1989-056

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

German pages

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