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Wilhelmramsayite

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Wilhelmramsayit
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Wilhelmramsayit
Probe von Wilhelmramsayit, Koashva Tagebau, Koashva, Chibiny, Kola, Russland; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Berg Koashva/Koashva Grube
Mineral: Wilhelmramsayite
Image: 1581443669
License: Usage for Mineralienatlas project only
Wilhelmramsayit

Probe von Wilhelmramsayit, Koashva Tagebau, Koashva, Chibiny, Kola, Russland; BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-11
Locality: Koashva Grube / Berg Koashva / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color bleigrau bis eisenschwarz
Lustre Metallglanz
Hardness (Mohs) 2.5
Cleavages vollkommen mica-like
Fracture blättrig
Crystal System orthorhombisch, Pmmm

Chemism

Chemical formula

Cu3FeS3·2H2O

Chemical composition

Eisen, Kupfer, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 378.711248 u; Number of atoms in the formula: 13

Info

Empirical formula:

Cu3FeS3·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.06

4

30.77

1.0079470

4.0317880

Oxygen

O

8.45

2

15.38

15.9994300

31.9988600

Sulfur

S

25.40

3

23.08

32.0655000

96.1965000

Iron

Fe

14.75

1

7.69

55.8452000

55.8452000

Copper

Cu

50.34

3

23.08

63.5463000

190.6389000

Analysis wt%

Cu : 48.52, Fe : 15.20, Tl : 0.44, S : 25.20, H2O : 10.71 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2006)

Strunz 9th edition incl. updates

2.FD.40

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
D: mit O, OH, H2O
40:Wilhelmramsayit-Gruppe

Lapis Classification

II/C.04-070

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Classification by Hölzel

2.KC.360

2: SULFIDES
K: Nonmetallic Sulfides, HalideSulfides, etc.
C: With O,OH,H2O
3: With Water

Dana 8th edition

02.14.08.01

02: Sulfide Minerals
14: Sulfides - Including Selenides and Tellurides (Hydroxyl or Hydrated)

IMA status

anerkannt 2004

Mineral status

anerkanntes Mineral

Optical Properties

Color

bleigrau bis eisenschwarz

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

47

Space Group

Pmmm

Cell parameters a (Å)

5.147

Cell parameters b (Å)

7.289

Cell parameters c (Å)

5.889

Cell parameters a/b or c/a

0.706

Cell parameters c/b

0.808

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

1

Volume (ų)

220.935

X-Ray Powder Diffraction

5.12(40), 4.21(40), 3.69(30), 3.104(100), 2.727(50), 2.292(50), 1.897(70), 1.828(50)

XRD chart Wilhelmramsayite

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

Physical Properties

Hardness (Mohs)

2.5

VHN (Hardness Vickers)

116 (10g)

Density (g/cm³)

2.75

2.846 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen mica-like

Fracture

blättrig

Tenacity

flexibel noch unelastisch

Preface

Rareness

extrem selten

Author (Name, Year)

Pekov & Chukanov & Boldyreva & Dubinchuk, 2006

Additional Information

läuft an feuchter Luft mattschwarz an

References

Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 135 (2006), 38

Other languages

German

Wilhelmramsayit

English

Wilhelmramsayite

Russian

Вильгельмрамзаит

CNMNC (IMA)-Number

IMA 2004-033

CNMNC symbol

Symbol

Wrm

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 9a2jCOAdBkiPyhyiuN7h-A
GUID (Global unique identifier) 08A3ADF5-1DE0-4806-8FCA-1CA2B8DEE1F8
Database ID 4171