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Wegscheiderite

Pictures (1 Images total)

Wegscheiderit
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Wegscheiderit
beige Massen von Wegscheiderit, Alluaiv, Lovozero, Kola, Russland; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv
Mineral: Wegscheiderite
Image: 1581528117
License: Usage for Mineralienatlas project only
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

Volume (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

Other languages

German

Wegscheiderit

Spanish

Wegscheiderita

French

Wegscheiderite

English

Wegscheiderite

Russian

Вегшайдерит

Simplified Chinese

碳氢钠石

CNMNC symbol

Symbol

Weg

IDs

GUSID (Global unique identifier short form) bQsmr417s0iXEil4wBKFXg
GUID (Global unique identifier) AF260B6D-7B8D-48B3-9712-2978C012855E
Database ID 4137