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Bartonite

Collectors Summary

Color gelblich grün-grau zu gelblich grün-braun
Streak color schwarz
Hardness (Mohs) 3.5
Solubility +++ heiße HNO3 und HCl
Crystal System tetragonal, I4/mmm

Chemism

Chem­ical formula

K6Fe20S26S

Chem­ical com­po­si­tion

Eisen, Kalium, Schwefel

Unit weight: 2217.26236 u; Number of atoms in the formula: 53

Info

Empirical formula:

K6Fe20S26S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

39.05

27

50.94

32.0655000

865.7685000

Potassium

K

10.58

6

11.32

39.0983100

234.5898600

Iron

Fe

50.37

20

37.74

55.8452000

1,116.9040000

Strunz 9th edi­tion incl. updates

2.FC.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
F: Sulfide, Arsenide, Alkaide; Sulfide mit Halogeniden, Oxiden, Hydroxiden (H2O)
C: mit Cl, Br, I (Halide-Sulfide)
10:Bartonit-Gruppe

Lapis Clas­sifica­tion

II/F.07-020

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

Clas­sifica­tion by Hölzel

2.KB.200

2: SULFIDES
K: Nonmetallic Sulfides, HalideSulfides, etc.
B: With Cl,(Br,I)
2: Djerfisherite-Bartonite-Group

Dana 8th edi­tion

02.09.19.01

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

gelblich grün-grau zu gelblich grün-braun

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

139

Space Group

I4/mmm

Cell param­e­ters a (Å)

10.424

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

20.626

Cell param­e­ters a/b or c/a

1.979

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

2241.217

X-Ray Pow­der Diffrac­tion

9.31(30),
5.99(80),
3.139(30),
2.998(100),
2.389(20),
2.379(20),
1.841(20),
1.833(40)

XRD chart Bartonite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

104 (15g)

Density (g/cm³)

3.305

3.285 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ heiße HNO3 und HCl

Preface

Author (Name, Year)

Czamanske & Erd & Leonard & Clark, 1981

References

American Mineralogist 66 (1981), 369

Other languages

German

Bartonit

Spanish

Bartonita

English

Bartonite

French

Bartonite

Russian

Бартонит

Traditional Chinese

巴硫鐵鉀礦

Simplified Chinese

巴硫铁钾矿

Japanese

バートン石

Alternative Name

Traditional Chinese

褐硫鐵鉀礦

Simplified Chinese

褐硫铁钾矿

CNMNC (IMA)-Number

IMA 1977-039

CNMNC symbol

Symbol

Btn

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

German pages

DeWikiPedia - search for: Bartonit
Google-Bilder-Suche - search for: Bartonit
Mineralienatlas.de (Forum) - search for: Bartonit

English pages

Mindat - search for: Bartonite
Webmineral - search for:Bartonite
Handbook-of-Mineralogy - search for: Bartonite
RRUFF - Raman, XRD and other mineral data - search for: Bartonite
RRUFF - References and PDF downloads - search for: Bartonite
American-Mineralogist-Crystal-Structure-Database - search for: Bartonite
Strahlen.org - search for: Bartonite

Russian pages

Webmineral.ru - search for: Бартонит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Bartonit
Crystal-Treasure.com - search for: Bartonit
Bosse - search for: Bartonit
Edelsteine Neuburg - Gundolf Fischer - search for: Bartonit

Locations with GPS information