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Schöllhornite

Collectors Summary

Color grau-met.
Hardness (Mohs) 1.50 - 2.00
Crystal System hexagonal,

Chemism

Chemical formula

Na0.3CrS2·H2O

Chemical composition

Chrom, Natrium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 141.03941506 u; Number of atoms in the formula: 6.3

Info

Empirical formula:

Na0.3CrS2·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.43

2

31.75

1.0079470

2.0158940

Oxygen

O

11.34

1

15.87

15.9994300

15.9994300

Sodium

Na

4.89

0.3

4.76

22.9897702

6.8969311

Sulfur

S

45.47

2

31.75

32.0655000

64.1310000

Chromium

Cr

36.87

1

15.87

51.9961600

51.9961600

Strunz 9th edition incl. updates

2.FB.05

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
B: mit Alkaiden (ohne Cl, usw.)
05:Caswellsilverit-Gruppe

Lapis Classification

II/F.08-020

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

Classification by Hölzel

2.KC.390

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

Dana 8th edition

02.09.17.02

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
17: Caswellsilverite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

grau-met.

Crystallography

Crystal System

hexagonal

Cell parameters a (Å)

3.32

Cell parameters b (Å)

-

Cell parameters c (Å)

26.6

Cell parameters a/b or c/a

8.012

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

3

Volumne (ų)

253.915

X-Ray Powder Diffraction

8.85(100),
2.80(50),
2.53(50),
1.67(50)

XRD chart Schöllhornite

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

Physical Properties

Hardness (Mohs)

1.50 - 2.00

VHN (Hardness Vickers)

80 (15g)

Density (g/cm³)

2.70 (gemessen)

2.767 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

USA/Kansas/Norton Co./Norton County Meteorit

Preface

Author (Name, Year)

Okada & Keil & Leonard & Hutcheon, 1985

References

American Mineralogist 70 (1985), 638

Other languages

German

Schöllhornit

Spanish

Schöllhornita

English

Schöllhornite

French

Schöllhornite

Alternative Name

German

Schoellhornit

Spanish

Schoellhornita

CNMNC symbol

Symbol

Slh

Locations with GPS information