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Vulcanite

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Vulcanit mit Cameronit
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Vulcanit mit Cameronit

bronzefarbener Vulcanit neben grauem Cameronit in Quarz, Good Hope Mine, Vulcan, Gunnison County, Colorado, USA; BB < 5 mm

Collection: Marco Gabriel Collection
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-10
Locality: Good Hope Mine / Vulcan District / Gunnison Co. / Colorado / USA

Collectors Summary

Color blass bronze, bronzegelb
Lustre Metallglanz
Hardness (Mohs) 1.00 - 2.00
Solubility +++ HNO3, HCl
Crystal System orthorhombisch, Pmnm

Chemism

Chem­ical formula

CuTe

Chem­ical com­po­si­tion

Kupfer, Tellur

Unit weight: 191.1493 u; Number of atoms in the formula: 2

Info

Empirical formula:

CuTe

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Copper

Cu

33.24

1

50.00

63.5463000

63.5463000

Tellurium

Te

66.76

1

50.00

127.6030000

127.6030000

Anal­y­sis wt%

Cu : 33.25, Te : 66.76 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.CB.75

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
75:Vulcanit-Gruppe

Lapis Clas­sifica­tion

II/C.24-010

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

Clas­sifica­tion by Hölzel

2.CB.900

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
9: Unclassified (with Te)

Dana 8th edi­tion

02.08.13.01

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blass bronze, bronzegelb

Diaphane­ity (Trans­parency)

Opak

Lus­tre

Metallglanz

Pleochro­ism

Sehr stark, leuchtend gelb zu blaugrau

Anisotropism

Sehr stark, brilliant gelb-weiß, gräulich gelb-weiß, gelb-orange zu grau

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 25.60, 30.70, 28.15
(420) 24.40, 30.00, 27.20
(440) 23.00, 30.50, 26.75
(460) 21.30, 37.00, 29.15
(480) 19.70, 47.90, 33.80
(500) 18.10, 56.80, 37.45
(520) 16.60, 63.40, 40.00
(540) 15.20, 67.80, 41.50
(560) 13.80, 70.80, 42.30
(580) 12.70, 73.10, 42.90
(600) 11.80, 74.90, 43.35
(620) 11.30, 76.40, 43.85
(640) 11.20, 77.40, 44.30
(660) 11.60, 78.20, 44.90
(680) 12.90, 78.90, 45.90
(700) 15.00, 79.30, 47.15

Reflection chart Vulcanite

Reflec­tiv­ity Ø

38.67

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

59

Space Group

Pmnm

Cell param­e­ters a (Å)

4.09

Cell param­e­ters b (Å)

6.95

Cell param­e­ters c (Å)

3.15

Cell param­e­ters a/b or c/a

0.588

Cell param­e­ters c/b

0.453

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

89.54

X-Ray Pow­der Diffrac­tion

6.94(40),
3.52(60),
3.47(30),
2.86(70),
2.65(30),
2.32(30),
2.03(100),
1.762(20)

XRD chart Vulcanite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1.00 - 2.00

VHN (Hard­ness Vick­ers)

34 - 40 (50g)

Density (g/cm³)

7.1 (berechnet)

7.089 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3, HCl

(Co-)Type locality

(Co-)Type locality

USA/Colorado/Gunnison Co./Vulcan District/Good Hope Mine

Type mate­r­ial

National Museum of Natural History, Washington, D.C., USA

Col­lec­tion number of type mate­r­ial

R933, 85136

Preface

Name from

Nach der Typlocalität Vulcan Distrikt in Colorado USA

Author (Name, Year)

Cameron & Threadgold, 1961

References

Cameron, E.N. and I.M. Threadgold - Vulcanite, a new copper telluride from Colorado, with notes on certain associated minerals. American Mineralogist 46 (1961), 258–268.

Anderko, K. and K. Schubert (1954) Untersuchungen im System Kupfer–Tellur. Zeitschrift für Metallkunde, 4, 371–378

Mineralogy and Petrology 71, 149-154.

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

Vulcanite

CuTe

orthorhombisch : mmm : Pmnm

2.CB.75

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

Vulcanite

CuTe

orthorhombisch : mmm : Pmnm

II/C.24-010

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

Vulcanite

CuTe

orthorhombisch : mmm : Pmnm

2.CB.900

Empressite

AgTe

orthorhombisch : mmm : Pmnb

2.CB.920

Muthmannite

AuAgTe2

monoklin : 2/m : P2/m

2.CB.940

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

Smythite

(Fe,Ni)3+xS4 {x≈0-0.3}

trigonal : 3m : R3m

02.08.10.02

Nickeline

NiAs

hexagonal : 6/mmm : P63/mmc

02.08.11.01

Breithauptite

NiSb

hexagonal : 6/mmm : P63/mmc

02.08.11.02

Sederholmite

NiSe

hexagonal : 6/mmm : P63/mmc

02.08.11.03

Sudburyite

(Pd,Ni)Sb

hexagonal : 6/mmm : P63/mmc

02.08.11.05

Kotulskite

Pd(Te,Bi)2-x {x ≈ 0.4}

hexagonal : 6/mmm : P63/mmc

02.08.11.06

Sobolevskite

PdBi

02.08.11.07

Stumpflite

Pt(Sb,Bi)

hexagonal : 6/mmm : P63/mmc

02.08.11.08

Langisite

(Co,Ni)As

hexagonal : 6/mmm : P63/mmc

02.08.11.09

Freboldite

CoSe

hexagonal : 6/mmm : P63/mmc

02.08.11.10

Sorosite

Cu1+x(Sn,Sb)

hexagonal : 6/mmm : P63/mmc

02.08.11.11

Covellite

CuS

hexagonal : 6/mmm : P63/mmc

02.08.12.01

Klockmannite

Cu5.2Se6

hexagonal : 6/mmm : P63/mmc

02.08.12.02

Vulcanite

CuTe

orthorhombisch : mmm : Pmnm

02.08.13.01

Cinnabar

HgS

trigonal : 32, 32 : P3121, P3221

02.08.14.01

Millerite

NiS

trigonal : 3m : R3m

02.08.16.01

Mäkinenite

gamma-NiSe

trigonal : 3m : R3m

02.08.16.02

Ruthenarsenite

(Ru,Ni)As

02.08.17.01

Cherepanovite

RhAs

orthorhombisch : mmm : Pnma

02.08.17.02

Modderite

(Co,Fe)As

orthorhombisch : mmm, mm2 : Pmcn, Pna21

02.08.18.01

Westerveldite

(Fe,Ni,Co)As

orthorhombisch : mmm : Pmcn

02.08.19.01

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Вулканит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Vulcanit
Crystal-Treasure.com - search for: Vulcanit
Bosse - search for: Vulcanit

Locations with GPS information