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Queitite

Pictures (2 Images total)

Schneeweißer Ca-haltiger Queitit
Views (File:
1160512572
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Schneeweißer Ca-haltiger Queitit
Bildbreite: 4 mm; Fundort: Lucky Cuss Mine, Tombstone, Tombstone District, Cochise Co., Arizona, USA
Copyright: McSchuerf; Contribution: McSchuerf
Location: USA/Arizona/Cochise Co./Tombstone District/Tombstone/Lucky Cuss Mine
Mineral: Queitite
Image: 1160512572
Rating: 4 (votes: 2)
License: Usage for Mineralienatlas project only
Schneeweißer Ca-haltiger Queitit

Bildbreite: 4 mm; Fundort: Lucky Cuss Mine, Tombstone, Tombstone District, Cochise Co., Arizona, USA

Copyright: McSchuerf
Contribution: McSchuerf 2006-10-10
Locality: Lucky Cuss Mine / Tombstone / Tombstone District / Cochise Co. / Arizona / USA
Queitit
Views (File:
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Queitit
FO: Tombstone Revier in Arizona, weißer, filziger Belag; BB = 6 mm
Copyright: Manfred Früchtl; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A000071, Donator: Klaus Fleck
Location: USA/Arizona/Cochise Co./Tombstone District/Tombstone/Lucky Cuss Mine
Mineral: Queitite
Image: 1344004225
Rating: 1 (votes: 1)
License: Usage for Mineralienatlas project only
Queitit (SNr: A000071)

FO: Tombstone Revier in Arizona, weißer, filziger Belag; BB = 6 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Manfred Früchtl
Contribution: Münchener Micromounter 2012-08-03
Locality: Lucky Cuss Mine / Tombstone / Tombstone District / Cochise Co. / Arizona / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß, hellgelb
Streak color weiß
Hardness (Mohs) 4
Solubility +++ heiße HNO3
Crystal System monoklin, P21

Chemism

Chemical formula

Pb4Zn2(SiO4)(Si2O7)(SO4)

Chemical composition

Blei, Silicium, Zink, Sauerstoff, Schwefel

Unit weight: 1315.97234 u; Number of atoms in the formula: 25

Info

Empirical formula:

Pb4Zn2(SiO4)(Si2O7)(SO4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

18.24

15

60.00

15.9994300

239.9914500

Silicon

Si

6.40

3

12.00

28.0855300

84.2565900

Sulfur

S

2.44

1

4.00

32.0655000

32.0655000

Zinc

Zn

9.94

2

8.00

65.4094000

130.8188000

Lead

Pb

62.98

4

16.00

207.2100000

828.8400000

Analysis wt%

Ø SiO2 : 14.43, ZnO : 12.67, PbO : 67.40, SO3 : 6.05 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 79)

Strunz 9th edition incl. updates

9.BF.20

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
F: Gruppen(Soro)-Silikate mit gemischten SiO4 und Si2O7 Gruppen; Kationen in tetrahedraler [4] und größerer Koordination
20:Queitit-Gruppe

Lapis Classification

VIII/C.27-020

VIII: SILIKATE
C: Gruppensilikate
27: Mischstrukturen mit [SiO4] 4--Inseln und [Si2O7] 6--Gruppen

Classification by Hölzel

9.BO.160

9: SILICATES
B: Sorosilicates
O: Yoshimuraite-Group

Dana 8th edition

58.01.03.01

58: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
01: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [4] and higher coordination; single and double groups (n=1,2)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß, hellgelb

Streak color

weiß

max. Birefringence

0.004

Birefringence chart\! Queitite title=Birefringence chart Queitite

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

1.899

RI value β

1.901!

RI value γ / ε

1.903

Ri mean

1.901

2V angle

Biaxial (+) 90°

Crystallography

Crystal System

monoklin

Class (H-M)

2

Space Group number

4

Space Group

P21

Cell parameters a (Å)

11.362

Cell parameters b (Å)

5.266

Cell parameters c (Å)

12.652

Cell parameters a/b or c/a

2.158

Cell parameters c/b

2.403

Cell parameters α

90°

Cell parameters β

108.17

Cell parameters γ

90°

Z

2

Volume (ų)

719.251

X-Ray Powder Diffraction

3.77(50),
3.59(50),
3.18(100),
2.99(50),
2.82(50),
1.635(80),
1.490(60),
1.486(60)

XRD chart Queitite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.07

6.076 ( ρ calc. Mineralienatlas )

Instability

+++ heiße HNO3

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Type material

Archiv der Universität Stuttgart, "Mineralogische Sammlung Prof. Keller"

Collection number of type material

TM-78.29-8903.25-Td / 0/824-s27/2

Paragenesis of type material

Willemit, Melanotekit, Alamosit, Leadhillit, Larsenit, Quarz

Preface

Author (Name, Year)

Keller & Dunn & Hess, 1979

References

Neues Jahrbuch für Mineralogie, Monatshefte (1979), 203

Other languages

German

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Spanish

Queitita

English

Queitite

French

Queitite

Russian

Квейтит

CNMNC symbol

Symbol

Que

Locations with GPS information

IDs

GUSID (Global unique identifier short form) pFyfA3XoUEezRFDricg9dg
GUID (Global unique identifier) 039F5CA4-E875-4750-B344-50EB89C83D76
Database ID 3186