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Natroxalate

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Natroxalat
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Natroxalat
farbloses Fragment von Natroxalat, Kukisvumchorr, Chibiny, Kola, Russland; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr
Mineral: Natroxalate
Image: 1581242292
License: Usage for Mineralienatlas project only
Natroxalat

farbloses Fragment von Natroxalat, Kukisvumchorr, Chibiny, Kola, Russland; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-09
Locality: Kukisvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos, weiß, hellgelb
Streak color weiß
Hardness (Mohs) 3
Cleavages vollkommen {100} und deutlich {001}
Fracture treppenartig
Solubility +++ H2O, - Alkohol, Äther
Crystal System monoklin, P2/c

Chemism

Chemical formula

Na2(C2O4)

Chemical composition

Natrium, Kohlenstoff, Sauerstoff

Unit weight: 133.9988204 u; Number of atoms in the formula: 8

Info

Empirical formula:

Na2(C2O4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

17.93

2

25.00

12.0107800

24.0215600

Oxygen

O

47.76

4

50.00

15.9994300

63.9977200

Sodium

Na

34.31

2

25.00

22.9897702

45.9795404

Strunz 9th edition incl. updates

10.AB.60

10: Organische Verbindungen
A: Salze organischer Säuren
B: Oxalate
60:Natroxalat-Gruppe

Lapis Classification

IX/A.01-005

IX: ORGANISCHE VERBINDUNGEN
A: Salze organischer Säuren
1: Oxalate [C2O4] 2-

Classification by Hölzel

A.AA.100

A: ORGANIC COMPLEXES
A: Carbonacids and their Salts
A: Oxalates

Dana 8th edition

50.01.11.01

50: Organic Minerals
01: Salts of Organic Acids (Oxalates)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß, hellgelb

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.177

Birefringence chart\! Natroxalate title=Birefringence chart Natroxalate

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

1.415

RI value β

1.524

RI value γ / ε

1.592

Ri mean

1.510

2V angle

Biaxial (-) 72°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

13

Space Group

P2/c

Cell parameters a (Å)

10.426

Cell parameters b (Å)

5.255

Cell parameters c (Å)

3.479

Cell parameters a/b or c/a

1.984

Cell parameters c/b

0.662

Cell parameters α

90°

Cell parameters β

93.13

Cell parameters γ

90°

Z

2

Volume (ų)

190.325

X-Ray Powder Diffraction

5.203(10),
2.898(30),
2.826(100),
2.602(60),
2.334(30),
2.177(10),
2.041(10),
1.660(10)

XRD chart Natroxalate

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.32

2.338 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {100} und deutlich {001}

Fracture

treppenartig

Tenacity

spröde

Instability

+++ H2O, - Alkohol, Äther

Preface

Author (Name, Year)

Khomyakov, 1996

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 125 (1996) (1), 126

Other languages

German

Natroxalat

English

Natroxalate

French

Natroxalate

Spanish

Natroxalato

Russian

Натроксалат

Alternative Name

German

Natro-Oxalat

CNMNC (IMA)-Number

IMA 1994-053

CNMNC symbol

Symbol

Nx

Locations with GPS information

IDs

GUSID (Global unique identifier short form) xm0MzPpHp0uWKivYZ8WgSw
GUID (Global unique identifier) CC0C6DC6-47FA-4BA7-962A-2BD867C5A04B
Database ID 2708