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Khinite

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Formula:
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
System:OrthorhombicColour:Dark green to bottle ...
Hardness:3
Name:For Basaw Khin, Phelps Dodge mineralogist


The structure of khinite contains layers of edge-sharing {Cu(O,OH)6} and {Te(O,OH)6} octahedra with a net chemical composition of {TeCu3(O,OH)8}. Identical layers also occur in parakhinite (Cooper et al., 2008). Thus, the mineral is not an ortho-tellurate, as it does not contain distinct (TeO6) groups, as the formula might suggest.

Classification of Khinite

IMA status:Approved 1978
Strunz 8th edition ID:4/K.15-40
Nickel-Strunz 10th (pending) edition ID:4.FD.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
D : Hydroxides with OH, without H2O; chains of edge-sharing octahedra
Dana 7th edition ID:33.1.3.1
Dana 8th edition ID:33.1.3.1

33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq
Hey's CIM Ref.:28.4.8

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
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Type Occurrence of Khinite

Type Locality:Old Guard Mine (Royal Guard Mine), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
General Appearance of Type Material:Deeply etched curved or barrel shaped bipyramids
Place of Conservation of Type Material:British Museum
Year of Discovery:1978
Associated Minerals at type locality:
TenoriteQuetzalcoatliteQuartzGoldDugganite
ChrysocollaChlorargyrite

Physical Properties of Khinite

Colour:Dark green to bottle green
Streak:vivid green
Hardness (Mohs):3
Density (measured):6.5 - 7 g/cm3
Density (calculated):6.29 g/cm3

Crystallography of Khinite

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Space Group:Fdd2
Cell Parameters:a = 5.749(10) Å, b = 10.0176(14) Å, c = 24.022(3) Å
Ratio:a:b:c = 0.574 : 1 : 2.398
Unit Cell Volume:V 1383.6 ų
Z:8
Comment:from Empire Mine, Tombstone, Arizona

Optical Data of Khinite

Type:Biaxial (+)
RI values: nα = 2.110 nβ = 2.112 nγ = 2.165
2V:Measured: 20° , Calculated: 24°
Maximum Birefringence:δ = 0.055

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

Chemical Properties of Khinite

Formula:
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
Simplified for copy/paste:Pb2+Cu2+3Te6+O6(OH)2
Essential elements:Cu, H, O, Pb, Te
All elements listed in formula:Cu, H, O, Pb, Te

Relationship of Khinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FD.05Spertiniite
Cu(OH)
 
2
4.FD.10Bracewellite
CrO(OH)
4.FD.10Diaspore
AlO(OH)
4.FD.10Goethite
α-Fe
3+
 
O(OH)
4.FD.10Groutite
Mn
3+
 
O(OH)
4.FD.10Guyanaite
CrO(OH)
4.FD.10Montroseite
(V
3+
 
,Fe
3+
 
)O(OH)
4.FD.10Tsumgallite
GaO(OH)
4.FD.15Manganite
Mn
3+
 
O(OH)
4.FD.20Yttrotungstite-(Y)
YW
 
2
O
 
6
(OH)
 
3
4.FD.20Yttrotungstite-(Ce)
(Ce,Nd,Y)W
 
2
O
 
6
(OH)
 
3
4.FD.20Unnamed (Nd-analogue of Yttrotungstite-(Ce))
(Nd,Ce,La)W
 
2
O
 
6
(OH)
 
3
4.FD.25Frankhawthorneite
Cu
 
2
Te
6+
 
O
 
4
(OH)
 
2
4.FD.30Parakhinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
28.4.1Xocomecatlite
Cu
 
3
(TeO
 
4
)(OH)
 
4
28.4.2Carlfriesite
CaTe
4+
2
Te
6+
 
O
 
8
28.4.3Yafsoanite
Ca
 
3
Zn
 
3
(TeO
 
6
)
 
2
28.4.4Tlalocite
Cu
 
10
Zn
 
6
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)(OH)
 
25
Cl · 27H
 
2
O
28.4.5Oboyerite
H
 
6
(Pb,Ca)
 
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)
 
2
· 2H
 
2
O
28.4.6Schieffelinite
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
· 8H
 
2
O
28.4.7Girdite
H
 
2
Pb
 
3
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
28.4.9Parakhinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
28.4.10Dugganite
Pb
 
3
Zn
 
3
(AsO
 
4
)
 
2
(TeO
 
6
)
28.4.11Kuksite
Pb
 
3
Zn
 
3
(PO
 
4
)
 
2
(TeO
 
6
)
28.4.12Cheremnykhite
Pb
 
3
Zn
 
3
(VO
 
4
)
 
2
(TeO
 
6
)
28.4.13Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
(TeO
 
3
)
 
4
(TeO
 
6
)(SO
 
4
)
28.4.14Montanite
Bi
 
2
(TeO
 
6
) · 2H
 
2
O
28.4.15Kuranakhite
PbMn
4+
 
Te
6+
 
O
 
6
28.4.16Cuzticite
Fe
3+
2
(TeO
 
6
) · 3H
 
2
O
28.4.17Yecoraite
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
· 9H
 
2
O

Other Names for Khinite

Synonyms:
IMA1978-035
Other Languages:
German:Khinit
Spanish:Khinita

Other Information

Fluorescence in UV light:None
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 Khinite

Reference List:

- +
Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, AZ, American Mineralogist: 63: 1016-1019.

Cooper, M.A., F.C.Hawthorne, & M.E.Back (2008), The crystal structure of khinite and polytypism in khinite and parakhinite. Mineralogical Magazine 72(3),763-770(2008)

Internet Links for Khinite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Khinite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Localities for Khinite

    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.
    (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.
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
    Lapis 2001(1), 11-40
    Maggie Wilson
    USA
     
    • Arizona
      • Cochise Co.
        • Huachuca Mts
          • Hartford District (Huachuca Mountains District)
            • Carr Canyon
    "The Accidental Pocket" talk presented by Robert E. Walstrom at 2012 NCMA meeting.
        • Tombstone Hills
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209; Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, Arizona, Am.Min.: 63: 1016-1019.
    Brent Thorne
    Mike Scott S102329 from Cureton ex S. Williams.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 267; Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, AZ, Am.Min.: 63: 1016-1019.
    • California
      • San Bernardino Co.
        • Baker
    Van King
          • Otto Mountain
    EDS and XRD confirmed.; Robert M. Housley (2005) Recent rare mineral finds in southern California and Nevada desert mines. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.
    Joe Marty specimens. Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J., and Thorne, B. (2010): American Mineralogist 95, 1554–1559.
    Collected by and in the collection of Brent Thorne.
    Collected by and in the collection of Brent Thorne.
    Collected by and in the collection of Brent Thorne
    Collected by and in the collection of Brent Thorne.
        • Soda Lake Mts
          • Baker
    Collected by and in the collections of Brent Thorne. EDS confirmed by Robert Housley.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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