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Kingstonite (Kingstonite)

Collectors Summary

Color grau
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 6 - 6.5
Cleavages gut [001]
Fracture halbmuschelig
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

Rh3S4

Empir­ical formula (anal­y­sis)

Rh2.27Ir0.43Pt0.29S4.01

Chem­ical com­po­si­tion

Rhodium, Schwefel

Unit weight: 501.40426154 u; Number of atoms in the formula: 7

Info

Empirical formula:

Rh2.27Ir0.43Pt0.29S4.01

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

25.64

4.01

57.29

32.0655000

128.5826550

Rhodium

Rh

46.59

2.27

32.43

102.9055020

233.5954895

Iridium

Ir

16.48

0.43

6.14

192.2173000

82.6534390

Platinum

Pt

11.28

0.29

4.14

195.0782000

56.5726780

Anal­y­sis wt%

Rh : 46.50, Ir : 16.40, Pt : 11.20, S : 25.60, PLT : 74.10 (Ref: Mineralogical Magazine 2005)

Strunz 9th edi­tion incl. updates

2.DA.25

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
D: Metallsulfide mit M:S = 3:4 und 2:3
A: M:S = 3:4
25:

Lapis Clas­sifica­tion

II/D.02-060

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

Clas­sifica­tion by Hölzel

2.DA.570

2: SULFIDES
D: With Me/S <1/1 and >1/2
A: Me/S=3/4 Thiospinels, etc
5: Brezianite-Group

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grau

Streak color

schwarz

Change in color

braungrau in reflektiertem Licht

Lus­tre

Metallglanz

Pleochro­ism

schwach

Anisotropism

schwach

Reflec­tiv­ity Ø

49.43

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

10.462

Cell param­e­ters b (Å)

10.753

Cell param­e­ters c (Å)

6.265

Cell param­e­ters a/b or c/a

0.973

Cell param­e­ters c/b

0.583

Cell param­e­ters α

90°

Cell param­e­ters β

109°

Cell param­e­ters γ

90°

Z

6

Volumne (ų)

666.401

X-Ray Pow­der Diffrac­tion

3.156(100),
3.081(100),
2.957(90),
2.234(60),
1.941(50),
1.871(80),
1.791(90),
1.532(70)

XRD chart Kingstonite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

6 - 6.5

VHN (Hard­ness Vick­ers)

896 (25g)

Density (g/cm³)

7.52 (berechnet)

7.496 ( ρ calc. Mineralienatlas )

Cleav­ages

gut [001]

Frac­ture

halbmuschelig

Tenac­ity

spröde

Preface

Author (Name, Year)

Stanley, Criddle, Spratt, Roberts, Szymanski, Welsh, 2005

References

Mineralogical Magazine 69 (2005), 447.

Zeitschrift für Anorganische und Allgemeine Chemie 626 (2000), 72.

American Mineralogist 91 (2006), 711.

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

Kingstonite

Rh3S4

monoklin : 2/m : C2/m

2.DA.25

Zaykovite

Rh3Se4

monoklin : 2/m : C2/m

2.DA.25

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

Cuprorhodsite

CuRh2S4

kubisch : m3m : Fd3m

II/D.02-020

Cuproiridsite

CuIr2S4

kubisch : m3m : Fd3m

II/D.02-030

Malanite

Cu(Pt,Ir)2S4

kubisch : m3m : Fd3m

II/D.02-040

Ferrorhodsite

(Fe,Cu)(Rh,Ir,Pt)2S4

kubisch : m3m : Fd3m

II/D.02-045

Xingzhongite

(Pb,Cu,Fe)(Ir,Pt,Rh)2S4

kubisch : m3m : Fd3m

II/D.02-050

Kingstonite

Rh3S4

monoklin : 2/m : C2/m

II/D.02-060

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

Wilkmanite

Ni3Se4

monoklin : 2/m : I2/m

2.DA.500

Brezinaite

Cr3S4

monoklin : 2/m : I2/m

2.DA.530

Heideite

(Fe,Cr)1.15(Ti,Fe)2S4

monoklin : 2/m : I2/m

2.DA.560

Kingstonite

Rh3S4

monoklin : 2/m : C2/m

2.DA.570

Alternative Name

Kingstonite

IMA Number

IMA 1993-046

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

German pages

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

English pages

Mindat - search for: Kingstonite
Webmineral - search for:Kingstonite
Handbook-of-Mineralogy - search for: Kingstonite
RRUFF - Raman, XRD and other mineral data - search for: Kingstonite
RRUFF - References and PDF downloads - search for: Kingstonite
American-Mineralogist-Crystal-Structure-Database - search for: Kingstonite
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Russian pages

Webmineral.ru - search for: Кингстонит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Kingstonit
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