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Kuksite (Kuksita)

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Kuksit
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Kuksit  E
Analysed with energy dispersive X-ray spectroscopy EDX

farblose, prismatische Kristalle von Kuksit, Tombstone District, Cochise County, Arizona, USA; BB < 1 mm, analysiert mittels REM-EDX

Copyright: Joy Desor
Contribution: openpit 2020-03-29
Locality: Tombstone District / Cochise Co. / Arizona / USA

Collectors Summary

Color hellgrau
Streak color weiß
Hardness (Mohs) 4.00 - 4.50
Cleavages vollkommen {100}
Crystal System orthorhombisch, P321

Chemism

Chem­ical formula

(Pb,Ca)3Zn3Te6+P2O14

Chem­ical com­po­si­tion

Blei, Calcium, Tellur, Zink, Phosphor, Sauerstoff

Unit weight: 1106.0520424 u; Number of atoms in the formula: 23

Info

Empirical formula:

(Pb0.75Ca0.25)3Zn3TeP2O14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

20.25

14

60.87

15.9994300

223.9920200

Phosphorus

P

5.60

2

8.70

30.9737612

61.9475224

Calcium

Ca

2.72

0.75

3.26

40.0784000

30.0588000

Zinc

Zn

17.74

3

13.04

65.4094000

196.2282000

Tellurium

Te

11.54

1

4.35

127.6030000

127.6030000

Lead

Pb

42.15

2.25

9.78

207.2100000

466.2225000

Anal­y­sis wt%

Ø PbO : 50.59, CaO : 1.46, ZnO : 20.76, TeO3 : 14.30, P2O5 : 10.38, V2O5 : 1.81, SiO2 : 0.40 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 90)

Strunz 9th edi­tion incl. updates

8.BL.20

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
L: Mit mittelgroßen und großen [Kationen] (OH, etc.):RO4 = 3:1
20:Dugganit-Gruppe

Lapis Clas­sifica­tion

IV/K.16-012

IV: OXIDE
K: Sulfite, Selenite, Tellurite
16: Tellurate mit [Te6+O6] 6- + [XO4]-Gruppen (X=P,As,S,V) und komplexe Tellurit-Tellurate [Te4+O3] 2-+ [Te6+O6] 6-

Clas­sifica­tion by Hölzel

8.BL.800

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
L: Phosphates, very large: 2, Vmed: 2
8: With other complex Anions: Tellurates

Dana 8th edi­tion

33.03.05.02

33: Selenates and Tellurates
03: Selenates and Tellurates with other anion groups
05: Pb, Zn Tellurates

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

hellgrau

Streak color

weiß

max. Birefrin­gence

0.010

Birefringence chart\! Kuksite title=Birefringence chart Kuksite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.981

RI value γ / ε

1.971

Ri mean

1.978

2V angle

Uniaxial (-)

Optical Data Luminescence

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

orthorhombisch

Space Group

P321

Cell param­e­ters a (Å)

8.392

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

5.204

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

1

Volumne (ų)

317.4

Kristall struc­ture

aufgeklärt, siehe Stuart J. Mills, Anthony R. Kampf, Uwe Kolitsch, Robert M. Housley, Mati Raudsepp: The crystal chemistry and crystal structure of kuksite, Pb3Zn3Te6+P2O14, and a note on the crystal structure of yafsoanite, (Ca,Pb)3Zn(TeO6)2. American Mineralogist 95 (2010) S.933-938.

X-Ray Pow­der Diffrac­tion

5.18(20),
3.29(100),
3.00(80),
2.594(40),
2.355(50),
2.041(30),
1.903(50),
1.606(30)

XRD chart Kuksite

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)

4.00 - 4.50

VHN (Hard­ness Vick­ers)

325 (10g)

Density (g/cm³)

6.21 (berechnet)

5.786 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {100}

Tenac­ity

spröde

Preface

Author (Name, Year)

Kim & Zayakina & Makhotko, 1990

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 119 (5) (1990), 50

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

Cheremnykhite

Zn3Pb3Te4+O6(VO4,AsO4)2

8.BL.20

Dugganite

Pb3Zn3Te(As,V,Si)2(O,OH)14

trigonal : 32 : P321

8.BL.20

Joëlbruggerite

Pb3Zn3Sb5+As2O13(OH)

trigonal : 32 : P321

8.BL.20

Kuksite

(Pb,Ca)3Zn3Te6+P2O14

8.BL.20

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

Joëlbruggerite

Pb3Zn3Sb5+As2O13(OH)

trigonal : 32 : P321

IV/K.16-005

Dugganite

Pb3Zn3Te(As,V,Si)2(O,OH)14

trigonal : 32 : P321

IV/K.16-010

Kuksite

(Pb,Ca)3Zn3Te6+P2O14

IV/K.16-012

Cheremnykhite

Zn3Pb3Te4+O6(VO4,AsO4)2

IV/K.16-015

Tlalocite

(Cu,Zn)16(Te4+O3)(Te6+O4)2Cl(OH)25·27H2O

IV/K.16-020

Eurekadumpite

(Cu,Zn)16(TeO3)2(AsO4)3Cl(OH)18·7H2O

monoklin : 2, m, 2/m : P2, Pm, P2/m

IV/K.16-030

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

Kuksite

(Pb,Ca)3Zn3Te6+P2O14

8.BL.800

Cheremnykhite

Zn3Pb3Te4+O6(VO4,AsO4)2

8.BL.810

Dugganite

Pb3Zn3Te(As,V,Si)2(O,OH)14

trigonal : 32 : P321

8.BL.840

Joëlbruggerite

Pb3Zn3Sb5+As2O13(OH)

trigonal : 32 : P321

8.BL.845

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

Schieffelinite

Pb(Te6+,S)O4·H2O

orthorhombisch : mmm : Cmcm

33.03.01.01

Tlalocite

(Cu,Zn)16(Te4+O3)(Te6+O4)2Cl(OH)25·27H2O

33.03.02.01

'Girdite'

Pb3H2(Te4+O3)(Te6+O6)

33.03.03.01

Ilinskite

(Na,K)Cu5[O2|Cl3|(SeO3)2]

orthorhombisch : mmm : Pbnm

33.03.04.01

Cheremnykhite

Zn3Pb3Te4+O6(VO4,AsO4)2

33.03.05.01

Kuksite

(Pb,Ca)3Zn3Te6+P2O14

33.03.05.02

Dugganite

Pb3Zn3Te(As,V,Si)2(O,OH)14

trigonal : 32 : P321

33.03.05.03

Burnsite

KCdCu7[O2|Cl9|(SeO3)2]

hexagonal : 6/mmm : P63/mmc

33.03.06.01

Other languages

German

Kuksit

Spanish

Kuksita

English

Kuksite

French

Kuksite

Russian

Куксит

IMA Number

IMA 1989-018

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Куксит

Mineral Dealer

German pages

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

Locations with GPS information




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