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Khinite-3T

A structural variant of Khinite
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About Khinite-3THide

Formula:
Pb2+Cu2+3Te6+O6(OH)2
Colour:
Green
Crystal System:
Trigonal
Name:
For its relationship to Khinite
A polytype of Khinite

A polytype of khinite. The name and separate species status of "parakhinite" have been discredited (IMA-08-C), and the phase is now the polytype khinite-3T (Hawthorne et al., 2009).




Unique IdentifiersHide

Mindat ID:
3095
Long-form identifier:
mindat:1:1:3095:9

IMA Classification of Khinite-3THide

First published:
1978

Classification of Khinite-3THide

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 ed.:
33.2.4.1
33.2.4.1

33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
28.4.9

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates

Physical Properties of Khinite-3THide

Colour:
Green

Optical Data of Khinite-3THide

Type:
Uniaxial (-)
RI values:
nω = 2.155 nε = 2.12
Max. Birefringence:
δ = 0.035
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate

Chemistry of Khinite-3THide

Mindat Formula:
Pb2+Cu2+3Te6+O6(OH)2
Element Weights:
Element% weight
Pb31.612 %
Cu29.085 %
O19.528 %
Te19.468 %
H0.308 %

Calculated from ideal end-member formula.

Crystallography of Khinite-3THide

Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P32
Cell Parameters:
a = 5.765(2) Å, c = 18.001(9) Å
Ratio:
a:c = 1 : 3.122
Unit Cell V:
518 ų
Z:
3

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.336 Å(100)
2.490 Å(100)
4.800 Å(80)
1.558 Å(80)
2.913 Å(70)
2.245 Å(60)
1.997 Å(50)
Comments:
Tombstone, Arizona, USA. Data from Williams (1978).

First Recorded Occurrence of Khinite-3THide

Synonyms of Khinite-3THide

Other Language Names for Khinite-3THide

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Khinite-3T associated with Native GoldAu
1 photo of Khinite-3T associated with DugganitePb3Zn3(AsO4)2(TeO6)
1 photo of Khinite-3T associated with TimroseitePb2Cu5(TeO6)2(OH)2

Related Minerals - Strunz-mindat GroupingHide

4.FD.05SpertiniiteCu(OH)2Orth. mm2 : Cmc21
4.FD.10DiasporeAlO(OH)Orth. mmm(2/m2/m2/m)
4.FD.10Montroseite(V3+,Fe3+)O(OH)Orth. mmm(2/m2/m2/m)
4.FD.10TsumgalliteGaO(OH)Orth. mmm(2/m2/m2/m)
4.FD.10GroutiteMn3+O(OH)Orth. mmm(2/m2/m2/m) : Pnma
4.FD.10BracewelliteCrO(OH)Orth. mmm(2/m2/m2/m)
4.FD.10GuyanaiteCrO(OH)Orth. mmm(2/m2/m2/m)
4.FD.15ManganiteMn3+O(OH)Mon. 2/m : P21/b
4.FD.20Yttrotungstite-(Y)YW2O7(OH) · H2OMon. 2/m : P21/m
4.FD.20Yttrotungstite-(Ce)CeW2O7(OH) · H2OMon. 2 : P21
4.FD.25FrankhawthorneiteCu2Te6+O4(OH)2Mon. 2/m
4.FD.30HousleyitePb6CuTe6+4O18(OH)2Mon. 2/m : P21/m
4.FD.30KhinitePb2+Cu2+3[Te6+O6](OH)2Orth. mm2 : Fdd2

Other InformationHide

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 Khinite-3THide

References for Khinite-3THide

Localities for Khinite-3THide

Showing 6 localities.

This 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.
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Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
USA
 
  • Arizona
    • Cochise County
Williams (1978) +1 other reference
Thorne (n.d.)
        • Silver Plume Mine
Williams (1978) +3 other references
        • Tombstone
American Mineralogist +2 other references
  • California
    • San Bernardino County
      • Silver Lake Mining District
        • Soda Mountains
          • Baker
            • Otto Mountain
Christophe Boutry collection +1 other reference
Thorne (n.d.)
 
and/or  
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