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Queitite (Queitit)

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:
1344004225
): 573
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

Queitit

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