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Wegscheiderite

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Wegscheiderit
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Wegscheiderit

beige Massen von Wegscheiderit, Alluaiv, Lovozero, Kola, Russland; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-12
Locality: Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 2.50 - 3.00
Solubility +++ H2O
Crystal System triklin, P1

Chemism

Chem­ical formula

Na5(CO3)(HCO3)3

Chem­ical com­po­si­tion

Natrium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 358.008972 u; Number of atoms in the formula: 24

Info

Empirical formula:

Na5(CO3)(HCO3)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.84

3

12.50

1.0079470

3.0238410

Carbon

C

13.42

4

16.67

12.0107800

48.0431200

Oxygen

O

53.63

12

50.00

15.9994300

191.9931600

Sodium

Na

32.11

5

20.83

22.9897702

114.9488510

Anal­y­sis wt%

Na2O : 43.28, CO2 : 49.17, H2O : 7.55 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

5.AA.30

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
A: Alkali-Carbonate
30:Wegscheiderit-Gruppe

Lapis Clas­sifica­tion

V/B.01-060

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

Clas­sifica­tion by Hölzel

5.AA.110

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
A: Alkali-Carbonates

Dana 8th edi­tion

13.01.06.01

13: Carbonate Minerals
01: Acid Carbonates with miscellaneous formulae

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefrin­gence

0.095

Birefringence chart\! Wegscheiderite title=Birefringence chart Wegscheiderite

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

1.433

RI value β

1.519

RI value γ / ε

1.528

Ri mean

1.493

2V angle

Biaxial (-) 32°

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

10.04

Cell param­e­ters b (Å)

15.56

Cell param­e­ters c (Å)

3.466

Cell param­e­ters a/b or c/a

0.645

Cell param­e­ters c/b

0.223

Cell param­e­ters α

91.92

Cell param­e­ters β

95.82

Cell param­e­ters γ

108.67

Z

2

Volumne (ų)

509.078

X-Ray Pow­der Diffrac­tion

3.68(60),
2.95(100),
2.91(40),
2.79(50),
2.66(40),
2.64(60),
2.473(40),
2.214(60)

XRD chart Wegscheiderite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.50 - 3.00

VHN (Hard­ness Vick­ers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.341 (gemessen)

2.335 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

Preface

Author (Name, Year)

Fahey & Yorks, 1963

References

American Mineralogist 48 (1963), 400

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

Wegscheiderite

Na5(CO3)(HCO3)3

triklin : 1 : P1

5.AA.30

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

Zabuyelite

Li2CO3

monoklin : 2/m : C2/c

V/B.01-010

Nahcolite

NaHCO3

monoklin : 2/m : P21/c

V/B.01-020

Kalicinite

KH[CO3]

monoklin : 2/m : P21/a

V/B.01-030

Teschemacherite

(NH4)HCO3

orthorhombisch : mmm : Pccn

V/B.01-040

Natrite

Na2CO3

monoklin : 2/m : C2/m

V/B.01-050

Wegscheiderite

Na5(CO3)(HCO3)3

triklin : 1 : P1

V/B.01-060

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

Natrite

Na2CO3

monoklin : 2/m : C2/m

5.AA.100

Wegscheiderite

Na5(CO3)(HCO3)3

triklin : 1 : P1

5.AA.110

Nahcolite

NaHCO3

monoklin : 2/m : P21/c

5.AA.120

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

Nahcolite

NaHCO3

monoklin : 2/m : P21/c

13.01.01.01

Kalicinite

KH[CO3]

monoklin : 2/m : P21/a

13.01.02.01

Teschemacherite

(NH4)HCO3

orthorhombisch : mmm : Pccn

13.01.03.01

Trona

Na3(CO3)(HCO3)·2H2O

monoklin : 2/m : C2/c

13.01.04.01

Nesquehonite

Mg(HCO3)(OH)·2H2O

monoklin : 2/m : P21/n

13.01.05.01

Wegscheiderite

Na5(CO3)(HCO3)3

triklin : 1 : P1

13.01.06.01

Sergeevite

Ca2Mg11(CO3)9(HCO3)4(OH)4·6H2O

13.01.07.01

Barentsite

Na7AlH2(CO3)4F4

triklin : 1, 1 : P1, P1

13.01.08.01

Thomasclarkite-(Y)

Na(Y,Ce,La)[(OH)3|HCO3]·4H2O

monoklin : 2 : P2

13.01.09.01

CNMNC symbol

Symbol

Weg

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

German pages

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

English pages

Mindat - search for: Wegscheiderite
Webmineral - search for:Wegscheiderite
Handbook-of-Mineralogy - search for: Wegscheiderite
RRUFF - Raman, XRD and other mineral data - search for: Wegscheiderite
RRUFF - References and PDF downloads - search for: Wegscheiderite
American-Mineralogist-Crystal-Structure-Database - search for: Wegscheiderite
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Strahlen.org - search for: Wegscheiderite
Mineralienatls.de (Forum) - search for: Wegscheiderit

Russian pages

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Mineral Dealer

German pages

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