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Niksergievite

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Niksergievit
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Niksergievit

Probe von farblosem Niksergievitauf schwarzem Trägermaterial, Tekeli Mine, Tekeli, Almaty, Kasachstan; BB 2 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-02-04
Locality: Tekeli Pb-Zn-Mine / Tekeli / Almaty oblysy / Kasachstan

Collectors Summary

Color perlweiß bis grünlichweiß
Streak color weiß
Lustre Perlmuttglanz
Hardness (Mohs) 1 - 1.5
Crystal System monoklin, C2/m, C2, Cm

Chemism

Chem­ical formula

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

Chem­ical com­po­si­tion

Aluminium, Barium, Calcium, Silicium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 743.8641896 u; Number of atoms in the formula: 35.6

Info

Empirical formula:

(Ba0.75Ca0.25)2Al3[(OH)6CO3(Si0.75Al0.25)4O10]·0.2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.87

6.4

17.98

1.0079470

6.4508608

Carbon

C

1.61

1

2.81

12.0107800

12.0107800

Oxygen

O

41.30

19.2

53.93

15.9994300

307.1890560

Aluminium

Al

14.51

4

11.24

26.9815382

107.9261528

Silicon

Si

11.33

3

8.43

28.0855300

84.2565900

Calcium

Ca

2.69

0.5

1.40

40.0784000

20.0392000

Barium

Ba

27.69

1.5

4.21

137.3277000

205.9915500

Anal­y­sis wt%

Ø SiO2 : 28.70, CO2 : 6.10, Al2O3 : 24.80, MgO : 0.40, CaO : 5.10, BaO : 27.10, H2O : 8.30 (Ref: American Mineralogist 2005)

Strunz 9th edi­tion incl. updates

9.EC.75

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

Lapis Clas­sifica­tion

VIII/H.24-005

VIII: SILIKATE
H: Schichtsilikate
24: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen;

Clas­sifica­tion by Hölzel

9.EJ.520

9: SILICATES
E: Phyllosilicates
J: SudoiteChlorite-Group

Dana 8th edi­tion

71.02.04.03

71: Phyllosilicate Minerals
02: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 2:1 Layers
04: Surite group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

perlweiß bis grünlichweiß

Streak color

weiß

Lus­tre

Perlmuttglanz

max. Birefrin­gence

0.045

Birefringence chart\! Niksergievite title=Birefringence chart Niksergievite

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

1.580

RI value β

1.625

RI value γ / ε

1.625

Ri mean

1.610

2V angle

Biaxial (-) 5°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m, 2, m

Space Group number

12, 5, 8

Space Group

C2/m, C2, Cm

Cell param­e­ters a (Å)

5.176

Cell param­e­ters b (Å)

8.989

Cell param­e­ters c (Å)

16.166

Cell param­e­ters a/b or c/a

0.576

Cell param­e­ters c/b

1.798

Cell param­e­ters α

90°

Cell param­e­ters β

96.43

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

747.425

X-Ray Pow­der Diffrac­tion

16.1(40),
4.49(90),
3.68(60),
2.68(60),
2.585(100),
2.230(90),
2.069(80),
1.692(60)

XRD chart Niksergievite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1 - 1.5

VHN (Hard­ness Vick­ers)

14

Density (g/cm³)

3.16

3.305 ( ρ calc. Mineralienatlas )

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

Kasachstan/Almaty oblysy/Tekeli/Tekeli Pb-Zn-Mine

Preface

Rare­ness

sehr selten

Author (Name, Year)

Saburov & Britvin & Bekenova & Sergieva & Kotelnikov & Chukanov & Yago

References

American Mineralogist 90 (2005), 1163

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

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

9.EC.75

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

9.EC.75

Hanjiangite

Ba2Ca(V3+Al)(AlSi3O10)(OH)2F(CO3)2

monoklin : m : Cc

9.EC.75

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

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

9.EC.75

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

Britvinite

Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7

triklin : 1 : P1

VIII/H.24-002

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

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

VIII/H.24-005

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

VIII/H.24-010

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

VIII/H.24-020

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

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

9.EJ.500

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

9.EJ.510

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

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

9.EJ.520

Hanjiangite

Ba2Ca(V3+Al)(AlSi3O10)(OH)2F(CO3)2

monoklin : m : Cc

9.EJ.540

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

Talc

Mg3Si4O10(OH)2

monoklin : 2/m : C2/c

71.02.01.03

Willemseite

(Ni,Mg)3Si4O10(OH)2

monoklin : m : Cc

71.02.01.04

'Glauconite'

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

monoklin : 2/m : C2/m

71.02.02a.05

Tobelite

(NH4,K)Al2(Si3Al)O10(OH)2

monoklin : 2/m : C2/m

71.02.02a.07

'Tetraferriannite'

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

monoklin : 2/m : C2/m

71.02.02b.04

Sokolovaite

CsLi2AlSi4O10F2

71.02.02b.08b

Zinkosite

ZnSO4

orthorhombisch : mmm : Pnma

71.02.02b.10

'Zinnwaldite'

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

monoklin : 2 : C2

71.02.02b.10

'Ephesite'

NaLiAl2(Al2Si2)O10(OH)2

monoklin : m : Cc

71.02.02b.16

Clintonite

Ca(Mg,Al)3(Al3Si)O10(OH)2

monoklin : 2/m, m : C2/m, ?

71.02.02c.02

Anandite

(Ba,K)(Fe2+,Mg)3(Si,Al,Fe)4O10(S,OH)2

monoklin : 2/m : C2/c

71.02.02c.04

Oxykinoshitalite

(Ba,K)(Mg,Fe2+,Ti4+)3(Si,Al)4O10O2

monoklin : 2/m : C2/m

71.02.02c.08

Hydrobiotite

K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O

monoklin : 2/m : C2/m

71.02.02d.01

Cuprorivaite

CaCuSi4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.01

Gillespite

BaFe2+Si4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.02

Effenbergerite

BaCu[Si4O10]

tetragonal : 4/mmm : P4/ncc

71.02.03.03

Wesselsite

Sr0.9Ba0.1CuSi4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.04

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

71.02.04.01

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

71.02.04.02

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

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

71.02.04.03

Macaulayite

(Fe3+,Al)24Si4O43(OH)2

71.02.05.01

Other languages

German

Niksergievit

English

Niksergievite

IMA Number

IMA 2002-036

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

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