Queitite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Queitite
Clive Queit
Formula:
Pb4Zn2(SO4)(SiO4)(Si2O7)
Colour:
Pale yellow, colourless.
Lustre:
Greasy
Hardness:
4
Specific Gravity:
6.07 (Calculated)
Crystal System:
Monoclinic
Name:
Named after Clive S. Queit, mineral dealer, who collected the first specimens. At the time he lived in Tsumeb, Namibia, but later moved to South Africa.
This page provides mineralogical data about Queitite.
Unique Identifiers
Mindat ID:
3339
Long-form identifier:
mindat:1:1:3339:4
GUID
(UUID V4):
(UUID V4):
6ba838ad-cbf8-4c2e-9fc1-4cbeef8fd1a4
IMA Classification of Queitite
Classification of Queitite
9.BF.20
9 : SILICATES (Germanates)
B : Sorosilicates
F : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in tetrahedral [4] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
F : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in tetrahedral [4] and greater coordination
58.1.3.1
58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
1 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [4] and higher coordination; single and double groups (n=1, 2)
58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
1 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [4] and higher coordination; single and double groups (n=1, 2)
17.10.24
17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Que | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Queitite
Greasy
Transparency:
Transparent
Colour:
Pale yellow, colourless.
Streak:
White
Hardness:
4 on Mohs scale
Cleavage:
Imperfect/Fair
{010} and {001}, observed in traces.
{010} and {001}, observed in traces.
Density:
6.07 g/cm3 (Calculated)
Optical Data of Queitite
Type:
Biaxial (+)
RI values:
nα = 1.899(4) nβ = 1.901 nγ = 1.903(4)
2V:
Measured: 90° , Calculated: 88°
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v extreme
Chemistry of Queitite
Mindat Formula:
Pb4Zn2(SO4)(SiO4)(Si2O7)
Crystallography of Queitite
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 11.362(2) Å, b = 5.266(1) Å, c = 12.655(3) Å
β = 108.16(2)°
β = 108.16(2)°
Ratio:
a:b:c = 2.158 : 1 : 2.403
Unit Cell V:
719.46 ų (Calculated from Unit Cell)
Z:
2
Twinning:
On {100} and {001}.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0010825 | Queitite | Hess H, Keller P (1980) Die kristallstruktur von queitit, Pb4Zn2[SO4|SiO4|Si2O7] Zeitschrift fur Kristallographie 151 287-299 |  | 1980 | Tsumeb mine, Namibia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.18 Å | (100) |
| 1.635 Å | (80) |
| 1.490 Å | (60) |
| 1.486 Å | (60) |
| 3.77 Å | (50) |
| 3.59 Å | (50) |
| 2.99 Å | (50) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] |
Type Occurrence of Queitite
General Appearance of Type Material:
Crystals tabular and elongated to 1.5 cm.
Place of Conservation of Type Material:
University of Stuttgart, Stuttgart, Germany, number NM03.
Harvard University, Cambridge, Massachusetts, USA, number 117115.
National Museum of Natural History, Washington, D.C., USA, numbers 143780, 147463.
Harvard University, Cambridge, Massachusetts, USA, number 117115.
National Museum of Natural History, Washington, D.C., USA, numbers 143780, 147463.
Geological Setting of Type Material:
Partially oxidized ore.
Associated Minerals at Type Locality:
Synonyms of Queitite
Other Language Names for Queitite
Varieties of Queitite
| Calcium-bearing Queitite | A calcian variety of queitite observed as chalky white replacing alamosite; spherulitic nodules. Originally reported from Lucky Cuss Mine (Escondido Mine; McCann Mine; Wedge Mine), Tombstone, Tombstone District, Cochise Co., Arizona, USA. |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 9.BF.05 | Harstigite | Ca6(Mn,Mg)Be4Si6(O,OH)24 |
| 9.BF.10 | Samfowlerite | Ca28Mn6Zn4(Be,Zn)4Be12[(OH)3(SiO4)3(Si2O7)2]4 |
| 9.BF.15 | Davreuxite | MnAl6Si4O17(OH)2 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Queitite
mindat.org URL:
https://www.mindat.org/min-3339.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Queitite
Reference List:
Localities for Queitite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Namibia (TL) | |
| Keller et al. (1979) +1 other reference |
UK | |
| R. S. W. Braithwaite et al. (1989) +4 other references |
| Cooper et al. (1990) +1 other reference | |
| Jackson (1990) |
| Mason et al. (1995) |
USA | |
| Anthony et al. (1995) |
| Robert O. Meyer collection number L10-3 |
Quick NavTopAbout QueititeUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesVarietiesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia