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Braggite

Collectors Summary

Color weiß
Hardness (Mohs) 6.5
Crystal System tetragonal, P42/m

Chemism

Chem­ical formula

(Pt,Pd,Ni)S

Chem­ical com­po­si­tion

Nickel, Palladium, Platin, Schwefel

Unit weight: 186.908062 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Pt0.6Pd0.3Ni0.1)S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

17.16

1

50.00

32.0655000

32.0655000

Nickel

Ni

3.14

0.1

5.00

58.6934200

5.8693420

Palladium

Pd

17.08

0.3

15.00

106.4210000

31.9263000

Platinum

Pt

62.62

0.6

30.00

195.0782000

117.0469200

Anal­y­sis wt%

Ø Pt : 56.40, Pd : 20.30, Ni : 5.10, S : 18.20, PLT : 76.70 (Ref: American Mineralogist 78)

Strunz 9th edi­tion incl. updates

2.CC.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
C: mit Nickel (Ni), Eisen (Fe), Cobalt (Co), usw.
30:Braggit-Gruppe

Lapis Clas­sifica­tion

II/C.25-020

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

Clas­sifica­tion by Hölzel

2.CC.110

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
C: With Pd,Pt, etc. - Coordination Number ~[4], Planar
1: Braggite-Group

Dana 8th edi­tion

02.08.05.03

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

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/m

Space Group number

84

Space Group

P42/m

Cell param­e­ters a (Å)

6.367

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

6.561

Cell param­e­ters a/b or c/a

1.030

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

265.974

X-Ray Pow­der Diffrac­tion

3.71(50),
2.914(90),
2.848(100),
2.649(50),
2.610(80),
1.854(70),
1.731(50),
1.714(60)

XRD chart Braggite

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)

6.5

VHN (Hard­ness Vick­ers)

997 (100g)

Density (g/cm³)

9.38 (berechnet)

9.335 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Bannister & Hey, 1932

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 67

Other languages

German

Braggit

Spanish

Braggita

French

Braggite

English

Braggite

Russian

Брэггит

Simplified Chinese

硫镍钯铂矿

CNMNC symbol

Symbol

Bg

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Брэггит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Braggit
Crystal-Treasure.com - search for: Braggit
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Locations with GPS information