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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

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Cronusite

Ca0.2CrS2·H2O

trigonal : 3m, 32, 3m : R3m, R32, R3m

2.FB.05

Schöllhornite

Na0.3CrS2·H2O

2.FB.05

Caswellsilverite

NaCrS2

trigonal : 3m : R3m

2.FB.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Dzierżanowskite

CaCu2S2

trigonal : 3m : P3m1

II/F.08-005

Caswellsilverite

NaCrS2

trigonal : 3m : R3m

II/F.08-010

Schöllhornite

Na0.3CrS2·H2O

II/F.08-020

Cronusite

Ca0.2CrS2·H2O

trigonal : 3m, 32, 3m : R3m, R32, R3m

II/F.08-030

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Erdite

NaFeS2·2H2O

monoklin : 2/m : C2/c

2.KC.300

Coyoteite

NaFe3S5·2H2O

triklin : 1, 1 : P1, P1

2.KC.320

Orickite

CuFeS2·nH2O

2.KC.350

Wilhelmramsayite

Cu3FeS3·2H2O

orthorhombisch : mmm : Pmmm

2.KC.360

Schöllhornite

Na0.3CrS2·H2O

2.KC.390

Cronusite

Ca0.2CrS2·H2O

trigonal : 3m, 32, 3m : R3m, R32, R3m

2.KC.395

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Teallite

PbSnS2

orthorhombisch : mmm : Pbnm

02.09.10.01

Rasvumite

KFe2S3

orthorhombisch : mmm : Cmcm

02.09.11.01

Pautovite

CsFe2S3

orthorhombisch : mmm : Cmcm

02.09.11.02

Sternbergite

AgFe2S3

orthorhombisch : mmm : Ccmb

02.09.12.01

Picotpaulite

TlFe2S3

orthorhombisch : 222, mm2, mmm : C222, Cmm2, Amm2, Cmmm

02.09.12.02

Cubanite

CuFe2S3

orthorhombisch : mmm : Pcmn

02.09.13.01

Argentopyrite

AgFe2S3

orthorhombisch : mmm : Pmmn

02.09.13.02

Isocubanite

CuFe2S3

kubisch : 43m : P43m

02.09.13.03

Catamarcaite

Cu6GeWS8

hexagonal : 6mm : P63mc

02.09.14.02

Nukundamite

(Cu,Fe)4S4

trigonal : 3m : P3m1

02.09.15.01

Mohite

Cu2SnS3

monoklin : m : Cc

02.09.16.01

Caswellsilverite

NaCrS2

trigonal : 3m : R3m

02.09.17.01

Schöllhornite

Na0.3CrS2·H2O

02.09.17.02

Cronusite

Ca0.2CrS2·H2O

trigonal : 3m, 32, 3m : R3m, R32, R3m

02.09.17.03

Petrukite

(Cu,Ag)2(Fe,Zn)(Sn,In)S4

orthorhombisch : mm2 : Pmn21

02.09.18.01

Bartonite

K6Fe20S26S

tetragonal : 4/mmm : I4/mmm

02.09.19.01

Chlorbartonite

K6Fe24S26(Cl,S)

tetragonal : 4/mmm : I4/mmm

02.09.19.02

Alternative Name

German

Schoellhornit

Spanish

Schoellhornita

CNMNC symbol

Symbol

Slh

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Schöllhornit
Google-Bilder-Suche - search for: Schöllhornit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Schöllhornit

English pages

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American-Mineralogist-Crystal-Structure-Database - search for: Schöllhornite
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German pages

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