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Coalingite (Coalingit)

Pictures (5 Images total)

Coalingit
Views (File:
1284494439
): 1424
Coalingit
Größe: 80x47 mm; Fundort: Dallas Gem Mine Area, New Idria District, San Benito Co., Kalifornien, USA
Copyright: Rock Currier; Contribution: slugslayer
Location: USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area
Mineral: Coalingite
Image: 1284494439
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Coalingit

Größe: 80x47 mm; Fundort: Dallas Gem Mine Area, New Idria District, San Benito Co., Kalifornien, USA
Copyright: Rock Currier
Contribution: slugslayer 2010-09-14
Locality: Dallas Gem Mine Area / New Idria District / San Benito Co. / Kalifornien (California) / USA
Coalingit
Views (File:
1465098773
): 483
Coalingit
Größe: 6 cm; Fundort: KCAC Quarry, San Benito Co., Kalifornien, USA
Copyright: Emil Box; Contribution: slugslayer
Location: USA/Kalifornien (California)/San Benito Co./KCAC (King City Asbestos Corporation) Quarry (Union Carbide; Santa Rita Mine)
Mineral: Coalingite
Image: 1465098773
License: Usage for Mineralienatlas project only
Coalingit

Größe: 6 cm; Fundort: KCAC Quarry, San Benito Co., Kalifornien, USA
Copyright: Emil Box
Contribution: slugslayer 2016-06-05
Locality: KCAC (King City Asbestos Corporation) Quarry (Union Carbide; Santa Rita Mine) / San Benito Co. / Kalifornien (California) / USA
Coalingit
Views (File:
1651826551
): 72
Coalingit
USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area
Mineral: Coalingite
Image: 1651826551
License: Usage for Mineralienatlas project only
Coalingit

USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2022-05-06
Locality: Dallas Gem Mine Area / New Idria District / San Benito Co. / Kalifornien (California) / USA
Coalingit
Views (File:
1651826714
): 55
Coalingit
USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area
Mineral: Coalingite
Image: 1651826714
License: Usage for Mineralienatlas project only
Coalingit

USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2022-05-06
Locality: Dallas Gem Mine Area / New Idria District / San Benito Co. / Kalifornien (California) / USA
Coalingit
Views (File:
1651826869
): 59
Coalingit
USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area
Mineral: Coalingite
Image: 1651826869
License: Usage for Mineralienatlas project only
Coalingit

USA/Kalifornien (California)/San Benito Co./New Idria District/Dallas Gem Mine Area. Bildbreite 1,2 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2022-05-06
Locality: Dallas Gem Mine Area / New Idria District / San Benito Co. / Kalifornien (California) / USA

Collectors Summary

Color rotbraun
Hardness (Mohs) 1.00 - 2.00
Cleavages gut
Solubility +++ Säuren
Crystal System trigonal, R3m

Chemism

Chemical formula

Mg10Fe23+(CO3)(OH)24·2H2O

Chemical composition

Eisen, Magnesium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 858.957766 u; Number of atoms in the formula: 70

Info

Empirical formula:

Mg10Fe2(CO3)(OH)24·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

3.29

28

40.00

1.0079470

28.2225160
Carbon

C

1.40

1

1.43

12.0107800

12.0107800
Oxygen

O

54.02

29

41.43

15.9994300

463.9834700
Magnesium

Mg

28.30

10

14.29

24.3050600

243.0506000
Iron

Fe

13.00

2

2.86

55.8452000

111.6904000

Analysis wt%

MgO : 42.90, MnO : 1.00, FeO : 0.70, Fe2O3 : 20.90, CO2 : 1.60, H2O : 27.60 (Ref: American Mineralogist 69)

Strunz 9th edition incl. updates

5.DA.55

5: Carbonate (Carbonate, Nitrate)
D: Carbonate mit weitere Anionen, mit H2O
A: Mit mittelgroßen [Kationen]
55:Coalingit-Gruppe

Lapis Classification

V/E.01-060

V: NITRATE, CARBONATE UND BORATE
E: Wasserhaltige Carbonate, mit fremden Anionen

Classification by Hölzel

5.DD.700

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
D: Carbonates (+Anions +Water)
D: Hydrotalcite Series
7: Coalingite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

rotbraun

max. Birefringence

0.035
Birefringence chart\! Coalingite title=Birefringence chart Coalingite

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

1.61

RI value γ / ε

1.575

Ri mean

1.598

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell parameters a (Å)

3.12

Cell parameters b (Å)

-

Cell parameters c (Å)

37.4

Cell parameters a/b or c/a

11.987

Cell parameters c/b

-

Z

0.

Volumne (ų)

315.291

X-Ray Powder Diffraction

13.4(40),
6.05(50),
4.20(80),
2.67(30),
2.34(100),
1.884(30),
1.767(30),
1.558(50)
XRD chart Coalingite

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)

1.00 - 2.00

Density (g/cm³)

2.38 (gemessen)

Cleavages

gut

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/Kalifornien (California)/Fresno Co./New Idria Area/New Idria Serpentinit

Preface

Author (Name, Year)

Mumpton & Jaffe & Thompson, 1965

References

American Mineralogist 50 (1965), 1893

Other languages

German

Coalingit

Spanish

Coalingita

English

Coalingite

French

Coalingite

Russian

Колингит

CNMNC (IMA)-Number

IMA 1965-011

CNMNC symbol

Symbol

Clg

Locations with GPS information