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Queitite

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Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Brent Thorne

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Formula:
Pb
 
4
Zn
 
2
(SO
 
4
)(SiO
 
4
)(Si
 
2
O
 
7
)
System:MonoclinicColour:Pale yellow, colourless.
Lustre:Hardness:4
Name:Named after Clive S. Queit, mineral dealer of Tsumeb.
This page provides mineralogical data about Queitite.

Classification of Queitite

IMA status:Approved 1978
Strunz 8th edition ID:8/C.27-20
Nickel-Strunz 10th (pending) edition ID:9.BF.20

9 : SILICATES (Germanates)
B : Sorosilicates
F : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in tetrahedral [4] and greater coordination
Dana 8th edition ID: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)
Hey's CIM Ref.:17.10.24

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
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Type Occurrence of Queitite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1979

Physical Properties of Queitite

Colour:Pale yellow, colourless.
Hardness (Mohs):4
Density (calculated):6.07 g/cm3

Crystallography of Queitite

Crystal System:Monoclinic
Cell Parameters:a = 11.36Å, b = 5.26Å, c = 12.65Å
β = 108.16°
Ratio:a:b:c = 2.16 : 1 : 2.405
Unit Cell Volume:V 718.23 ų (Calculated from Unit Cell)

Optical Data of Queitite

Type:Biaxial (+)
RI values: nα = 1.899 nβ = 1.901 nγ = 1.903
2V:Measured: 90° , Calculated: 88°
Maximum Birefringence:δ = 0.004

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v extreme

Chemical Properties of Queitite

Formula:
Pb
 
4
Zn
 
2
(SO
 
4
)(SiO
 
4
)(Si
 
2
O
 
7
)
Essential elements:O, Pb, S, Si, Zn
All elements listed in formula:O, Pb, S, Si, Zn

Relationship of Queitite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BF.05Harstigite
Ca
 
6
(Mn,Mg)Be
 
4
Si
 
6
(O,OH)
 
24
9.BF.10Samfowlerite
Ca
 
28
Mn
 
6
Zn
 
4
(Be,Zn)
 
4
Be
 
12
[(OH)
 
3
|(SiO
 
4
)
 
3
|(Si
 
2
O
 
7
)
 
2
]
 
4
9.BF.15Davreuxite
MnAl
 
6
Si
 
4
O
 
17
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
17.10.1Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
17.10.2Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
17.10.3Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
17.10.4Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
(O,S)
 
24
)(SO
 
4
,Cl)
 
1-2
17.10.5Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
17.10.6Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
17.10.7Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
] · H
 
2
O
17.10.8Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
17.10.9Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
 · 18H
 
2
O
17.10.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
 · 6H
 
2
O
17.10.11Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
17.10.12Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
17.10.13Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
17.10.14Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
17.10.15Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
17.10.16Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
(SO
 
4
)
 
10
(SiO
 
4
)
 
2
 · 40H
 
2
O
17.10.17Innelite
Na
 
2
CaBa
 
4
Ti
 
3
(Si
 
2
O
 
7
)
 
2
(SO
 
4
)
 
2
O
 
4
17.10.18Thaumasite
Ca
 
3
(SO
 
4
)[Si(OH)
 
6
](CO
 
3
) · 12H
 
2
O
17.10.19Ellestadite
17.10.20Ellestadite-(Cl)
Ca
 
10
(SiO
 
4
)
 
3
(SO
 
4
)
 
3
Cl
 
2
17.10.21Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
17.10.22Fluorellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
F
17.10.23Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
17.10.25Roeblingite
Pb
 
2
Ca
 
6
Mn
2+
 
(Si
 
3
O
 
9
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
17.10.26Yoshimuraite
Ba
 
2
Mn
 
2
Ti(Si
 
2
O
 
7
)(PO
 
4
)O(OH)
17.10.27Kegelite
Pb
 
8
Al
 
4
(Si
 
8
O
 
20
)(SO
 
4
)
 
2
(CO
 
3
)
 
4
(OH)
 
8
17.10.28Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
17.10.29Macquartite
Pb
 
3
Cu(CrO
 
4
)(SiO
 
3
)(OH)
 
4
 · 2H
 
2
O
17.10.30Welinite
Mn
2+
6
(W
6+
 
,Mg)
 
2
(SiO
 
4
)
 
2
(O,OH)
 
6

Other Names for Queitite

Synonyms:
IMA1978-029
Other Languages:
German:Queitit
Russian:Квейтит
Spanish:Queitita
Varieties:
Ca-bearing Queitite

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Queitite

Reference List:

- +
American Mineralogist (1979): 64: 1331.

American Mineralogist (1980): 65: 407.

Zeitschrift für Kristallographie: 151: 287-299.

Internet Links for Queitite

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Queitite details from Handbook of Mineralogy (PDF)
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  • Queitite specimens for sale - minfind.com
  • Find Queitite on www.crystalclassics.co.uk
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    • Localities for Queitite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		[Neues Jahrb.Min.,Mh.(1979) 203-209; Nickel & Nichols, 1991 - "Mineral Reference Manual", p174]
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Roughton Gill
    		No reference listed
    • Scotland
      • Strathclyde (Lanarkshire)
        • South Lanarkshire
          • Leadhills
    • Wales
      • Ceredigion (Dyfed; Cardiganshire)
        • Cwmrheidol
          • Ystumtuen
    		No reference listed
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 104, 242.
      • Pinal Co.
        • Mammoth District
          • Tiger
            • St. Anthony deposit
    		Robert O. Meyer collection number L10-3
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