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Chukanovite

Pictures (1 Images total)

Chukanovit
Views (File:
1584370548
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Chukanovit
bruaner, tafeliger Chukanovit, Dronino Meteorit, Kasimov, Nordwester Region, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Zentralrussland, Föderationskreis/Rjasan (Rjasanskaja), Oblast/Kassimow (Kasimov)/Dronino Meteorit
Mineral: Chukanovite
Image: 1584370548
License: Usage for Mineralienatlas project only
Chukanovit

bruaner, tafeliger Chukanovit, Dronino Meteorit, Kasimov, Nordwester Region, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-16
Locality: Dronino Meteorit / Kassimow (Kasimov) / Rjasan (Rjasanskaja), Oblast / Zentralrussland, Föderationskreis / Russland

Collectors Summary

Color farblos bis blassgrün (Aggregate bräunlichgrün)
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 3.5 - 4
Cleavages vollkommen ?(021)
Fracture uneben
Crystal System monoklin, P21, P21/m

Chemism

Chemical formula

Fe2(CO3)(OH)2

Additional chem. information

Malachit-Gruppe

Chemical composition

Eisen, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 205.714224 u; Number of atoms in the formula: 10

Info

Empirical formula:

Fe2(CO3)(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.98

2

20.00

1.0079470

2.0158940
Carbon

C

5.84

1

10.00

12.0107800

12.0107800
Oxygen

O

38.89

5

50.00

15.9994300

79.9971500
Iron

Fe

54.29

2

20.00

55.8452000

111.6904000

Analysis wt%

CO2 : 19.80, FeO : 68.80, NiO : 0.60, H2O : 10.90 (Ref: European Journal of Mineralogy 2007)

Strunz 9th edition incl. updates

5.BA.10

5: Carbonate (Carbonate, Nitrate)
B: Carbonate mit weitere Anionen, ohne H2O
A: Mit [Cu], [Co], [Ni], [Zn], [Mg], [Mn]
10:Malachit-Gruppe

Lapis Classification

V/C.01-027

V: NITRATE, CARBONATE UND BORATE
C: Wasserfreie Carbonate, mit fremden Anionen
1: Azurit-Rosasit-Reihe

Classification by Hölzel

5.BA.270

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
B: Carbonates (+Anions -Water)
A: With small-medium cations, V=2
2: Malachite-Group

Dana 8th edition

16a.03.02.02

16a: Carbonates - Hydroxyl or Halogen
03: Carbonates - Hydroxyl or Halogen where (A B)2 (XO3) Zq
02: Malachite Group

IMA status

anerkannt 2005

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Rosasite-Malachite group

Optical Properties

Color

farblos bis blassgrün (Aggregate bräunlichgrün)

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.107
Birefringence chart\! Chukanovite title=Birefringence chart Chukanovite

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

1.673

RI value β

1.770

RI value γ / ε

1.780

Ri mean

1.741

2V angle

Biaxial (-) 34°

Orientation

X ~ c

Pleochroism

keiner

Crystallography

Crystal System

monoklin

Class (H-M)

2, 2/m

Space Group number

4, 11

Space Group

P21, P21/m

Cell parameters a (Å)

12.396

Cell parameters b (Å)

9.407

Cell parameters c (Å)

3.215

Cell parameters a/b or c/a

1.318

Cell parameters c/b

0.342

Cell parameters α

90°

Cell parameters β

97.78

Cell parameters γ

90°

Z

4

Volume (ų)

371.448

X-Ray Powder Diffraction

6.13(40), 5.15(60), 3.73(80), 2.798(95), 2.645(100), 2.361(40), 2.171(40), 1.733(50)
XRD chart Chukanovite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5 - 4

VHN (Hardness Vickers)

160 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.60 berechnet

3.678 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen ?(021)

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Russland/Zentralrussland, Föderationskreis/Rjasan (Rjasanskaja), Oblast/Kassimow (Kasimov)/Dronino-Meteorit

Russland/Zentralrussland, Föderationskreis/Rjasan (Rjasanskaja), Oblast/Kassimow (Kasimov)/Dronino Meteorit

Preface

Name from

Nikita V. Chukanov (Mineraloge, Russland)

Author (Name, Year)

Igor V. Pekov, Natale Perchiazzi, Stefano Merlino, Vyacheslav N. Kalachev, Marco Merlini und Aleksandr E. Zadov; 2007

References

Igor V. Pekov, Natale Perchiazzi, Stefano Merlino, Vyacheslav N. Kalachev, Marco Merlini, Aleksandr E. Zadov. - Chukanovite, Fe2(CO3)(OH)2, a new mineral from the weathered iron meteorite Dronino.
Mineralien Welt 04/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

IMA group assignments

Other languages

German

Chukanovit

English

Chukanovite

Russian

Чукановит

Simplified Chinese

铁孔雀石

CNMNC (IMA)-Number

IMA 2005-039

CNMNC symbol

Symbol

Ckn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) s8UpNomhaU-5CRptj8Az7A
GUID (Global unique identifier) 3629C5B3-A189-4F69-B909-1A6D8FC033EC
Database ID 4430