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Khanneshite

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Khanneshit
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Khanneshit (SNr: 0633)  E
Analysed with energy dispersive X-ray spectroscopy EDX

hellgelber Khanneshit mit blauem Fluorit in Pektoltih

Collection: uwe
Copyright: uwe
Contribution: uwe 2017-04-27
Locality: N'orkpakhk (Niorkpakhk; Nyorkpukhk; N'Yourpakhk) / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Hardness (Mohs) 1.5
Solubility +++ HCl
Crystal System hexagonal, P63mc

Chemism

Chem­ical formula

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

Chem­ical com­po­si­tion

Barium, Calcium, Cerium, Natrium, Strontium, Kohlenstoff, Sauerstoff

Unit weight: 842.7460556 u; Number of atoms in the formula: 29

Info

Empirical formula:

(NaCa)3(Ba0.55Sr0.3Ce0.1Ca0.05)3(CO3)5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

7.13

5

17.24

12.0107800

60.0539000

Oxygen

O

28.48

15

51.72

15.9994300

239.9914500

Sodium

Na

8.18

3

10.34

22.9897702

68.9693106

Calcium

Ca

14.98

3.15

10.86

40.0784000

126.2469600

Strontium

Sr

9.36

0.9

3.10

87.6210000

78.8589000

Barium

Ba

26.89

1.65

5.69

137.3277000

226.5907050

Cerium

Ce

4.99

0.3

1.03

140.1161000

42.0348300

Strunz 9th edi­tion incl. updates

5.AD.10

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
D: Mit Seltenerden(REE)-Elementen
10:Burbankit-Gruppe

Lapis Clas­sifica­tion

V/B.07-050

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen
7: Burbankit-Reihe

Clas­sifica­tion by Hölzel

5.AB.300

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
3: Other Double Carbonates

Dana 8th edi­tion

14.04.04.02

14: Anhydrous Carbonates
04: Anhydrous Carbonates with Compound Formula A+2 B++2 (CO3)4
04: Burbankite Group (Hexagonal)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

max. Birefrin­gence

0.012

Birefringence chart\! Khanneshite title=Birefringence chart Khanneshite

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

1.622

RI value γ / ε

1.610

Ri mean

1.618

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6mm

Space Group number

186

Space Group

P63mc

Cell param­e­ters a (Å)

10.65

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

6.58

Cell param­e­ters a/b or c/a

0.618

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

646.332

X-Ray Pow­der Diffrac­tion

5.34(30),
3.78(50),
3.29(30),
3.03(60),
2.66(100),
2.19(50),
2.09(40),
1.691(40)

XRD chart Khanneshite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1.5

VHN (Hard­ness Vick­ers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.85 (gemessen)

4.33 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

Preface

Author (Name, Year)

Eremenko & Vel`ko, 1982

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 111 (1982), 321

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

Burbankite

(Na,Ca)3(Sr,Ba,Ce)3(CO3)5

hexagonal : 6mm : P63mc

5.AD.10

Khanneshite

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

hexagonal : 6mm : P63mc

5.AD.10

Sanrománite

Na2CaPb3(CO3)5

hexagonal : 6mm : P63mc

5.AD.10

Calcioburbankite

Na3(Ca,Ce,La,Sr)3(CO3)5

hexagonal : 6mm : P63mc

5.AD.10

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

Rémondite-(La)

Na3(La,Ca,Na)3(CO3)5

monoklin : 2 : P21

V/B.07-005

Rémondite-(Ce)

Na3(Ce,Ca,Na)3(CO3)5

monoklin : 2 : P21

V/B.07-010

Petersenite-(Ce)

(Na,Ca)4(Ce,La,Nd,Sr)2(CO3)5

monoklin : 2 : P21

V/B.07-020

Calcioburbankite

Na3(Ca,Ce,La,Sr)3(CO3)5

hexagonal : 6mm : P63mc

V/B.07-030

Burbankite

(Na,Ca)3(Sr,Ba,Ce)3(CO3)5

hexagonal : 6mm : P63mc

V/B.07-040

Khanneshite

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

hexagonal : 6mm : P63mc

V/B.07-050

Sanrománite

Na2CaPb3(CO3)5

hexagonal : 6mm : P63mc

V/B.07-055

Carbocernaite

(Ca,Na)(Sr,Ce,Ba)(CO3)2

orthorhombisch : mm2 : Pmc21

V/B.07-060

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

Khanneshite

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

hexagonal : 6mm : P63mc

5.AB.300

Sanrománite

Na2CaPb3(CO3)5

hexagonal : 6mm : P63mc

5.AB.305

Burbankite

(Na,Ca)3(Sr,Ba,Ce)3(CO3)5

hexagonal : 6mm : P63mc

5.AB.310

Calcioburbankite

Na3(Ca,Ce,La,Sr)3(CO3)5

hexagonal : 6mm : P63mc

5.AB.315

Zemkorite

(Na,K)2Ca(CO3)2

hexagonal : 6mm, 6m2, 6/mmm : P63mc, P62c, P63/mmc

5.AB.320

Fairchildite

K2Ca(CO3)2

hexagonal : 6/mmm : P63/mmc

5.AB.330

Gregoryite

(Na2,K2,Ca)CO3

hexagonal : 6mm : P63mc

5.AB.340

Olekminskite

Sr(Sr,Ca,Ba)(CO3)2

trigonal : 32 : P321

5.AB.360

Paralstonite

BaCa(CO3)2

trigonal : 32 : P321

5.AB.365

Huntite

CaMg3(CO3)4

trigonal : 32 : R32

5.AB.380

Benstonite

(Ba,Sr)6(Ca,Mn)6Mg(CO3)13

trigonal : 3 : R3

5.AB.390

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

Shortite

Na2Ca2(CO3)3

orthorhombisch : mm2 : Amm2

14.04.01.01

Sahamalite-(Ce)

(Mg,Fe2+)Ce2(CO3)4

monoklin : 2/m : P21/a

14.04.02.01

Huntite

CaMg3(CO3)4

trigonal : 32 : R32

14.04.03.01

Burbankite

(Na,Ca)3(Sr,Ba,Ce)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.01

Khanneshite

(NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.02

Calcioburbankite

Na3(Ca,Ce,La,Sr)3(CO3)5

hexagonal : 6mm : P63mc

14.04.04.03

Rémondite-(Ce)

Na3(Ce,Ca,Na)3(CO3)5

monoklin : 2 : P21

14.04.05.01

Petersenite-(Ce)

(Na,Ca)4(Ce,La,Nd,Sr)2(CO3)5

monoklin : 2 : P21

14.04.05.02

Rémondite-(La)

Na3(La,Ca,Na)3(CO3)5

monoklin : 2 : P21

14.04.05.03

Carbocernaite

(Ca,Na)(Sr,Ce,Ba)(CO3)2

orthorhombisch : mm2 : Pmc21

14.04.06.01

Agricolaite

K4(UO2)(CO3)3

monoklin : 2/m : C2/c

14.04.08.02

CNMNC (IMA)-Number

IMA 1981-025

CNMNC symbol

Symbol

Kha

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

German pages

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

English pages

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RRUFF - References and PDF downloads - search for: Khanneshite
American-Mineralogist-Crystal-Structure-Database - search for: Khanneshite
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Russian pages

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German pages

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Locations with GPS information