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Coyoteite (Coyoteit)

Additional Functions

Collectors Summary

Color schwarz-met.
Hardness (Mohs) 1.5
Solubility +++ heiße HCl oder HNO3, + kalte HCl oder HNO3, instabil an derLuft
Crystal System triklin, P1, P1

Chemism

Chemical formula

NaFe3S5·2H2O

Chemical composition

Eisen, Natrium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 386.8835182 u; Number of atoms in the formula: 15

Info

Empirical formula:

NaFe3S5·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.04

4

26.67

1.0079470

4.0317880
Oxygen

O

8.27

2

13.33

15.9994300

31.9988600
Sodium

Na

5.94

1

6.67

22.9897702

22.9897702
Sulfur

S

41.44

5

33.33

32.0655000

160.3275000
Iron

Fe

43.30

3

20.00

55.8452000

167.5356000

Strunz 9th edition incl. updates

2.FD.25

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
25:Coyoteit-Gruppe

Lapis Classification

II/F.09-020

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
F: Sulfide mit nichtmetallischem Charakter
9: Alkalisulfide

Classification by Hölzel

2.KC.320

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

Dana 8th edition

02.14.06.01

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

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

schwarz-met.

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

7.409

Cell parameters b (Å)

9.881

Cell parameters c (Å)

6.441

Cell parameters a/b or c/a

0.750

Cell parameters c/b

0.652

Cell parameters α

100.42

Cell parameters β

104.62

Cell parameters γ

81.48

Z

2

Volumne (ų)

446.132

X-Ray Powder Diffraction

9.6(60),
7.13(90),
5.60(60),
5.12(100),
3.910(50),
3.080(70),
3.029(80),
1.901(80)
XRD chart Coyoteite

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

Physical Properties

Hardness (Mohs)

1.5

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.88 (berechnet)

2.88 ( ρ calc. Mineralienatlas )

Instability

+++ heiße HCl oder HNO3, + kalte HCl oder HNO3, instabil an derLuft

(Co-)Type locality

(Co-)Type locality

USA/Kalifornien (California)/Humboldt Co./Orick/Coyote Peak

Preface

Author (Name, Year)

Erd & Czamanske, 1983

References

American Mineralogist 68 (1983), 245

Other languages

German

Coyoteit

English

Coyoteite

French

Coyoteite

Spanish

Coyoteíta

Japanese

ｺﾖﾃｱｲﾄ

CNMNC (IMA)-Number

IMA 1978-042

CNMNC symbol

Symbol

Coy