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Frankhawthorneite

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Frank Hawthorne
Formula:
Cu2Te6+O4(OH)2
Lustre:
Vitreous
Hardness:
3 - 3½
Crystal System:
Monoclinic
Name:
Named in honour of Frank Christopher Hawthorne (b. 1946), Professor of Mineralogy, University of Manitoba, Winnipeg, Manitoba, for his significant contributions to the science of structural and experimental mineralogy and crystallography, especially the crystal chemistry of the amphibole group and oxysalt minerals. Hawthorne has been the author or coauthor of more papers in mineralogy and crystallography than any other scientist and received numerous international honours.
This page provides mineralogical data about Frankhawthorneite.


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Classification of FrankhawthorneiteHide

Approved
4.FD.25

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.:
33.1.4.1
33.1.4.1

33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq

Physical Properties of FrankhawthorneiteHide

Vitreous
Hardness:
3 - 3½ on Mohs scale

Optical Data of FrankhawthorneiteHide

Type:
Biaxial
Dispersion:
relatively weak

Chemical Properties of FrankhawthorneiteHide

Formula:
Cu2Te6+O4(OH)2

Crystallography of FrankhawthorneiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 9.1 Å, b = 5.21 Å, c = 4.6 Å
β = 98.74°
Ratio:
a:b:c = 1.747 : 1 : 0.883
Unit Cell V:
215.56 ų (Calculated from Unit Cell)

Type Occurrence of FrankhawthorneiteHide

Synonyms of FrankhawthorneiteHide

Other Language Names for FrankhawthorneiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Eurekadumpite2 photos of Frankhawthorneite associated with Eurekadumpite on mindat.org.
Quartz2 photos of Frankhawthorneite associated with Quartz on mindat.org.
Mcalpineite1 photo of Frankhawthorneite associated with Mcalpineite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FD.05SpertiniiteCu(OH)2Orth.
4.FD.10BracewelliteCrO(OH)Orth. mmm (2/m 2/m 2/m)
4.FD.10DiasporeAlO(OH)Orth. mmm (2/m 2/m 2/m)
4.FD.10GroutiteMn3+O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
4.FD.10GuyanaiteCrO(OH)Orth.
4.FD.10Montroseite(V3+,Fe3+)O(OH)Orth.
4.FD.10TsumgalliteGaO(OH)Orth.
4.FD.15ManganiteMn3+O(OH)Mon. 2/m : P21/b
4.FD.20Yttrotungstite-(Y)YW2O6(OH)3
4.FD.20Yttrotungstite-(Ce)(Ce,Nd,Y)W2O6(OH)3Mon. 2 : P21
4.FD.20Unnamed (Nd-analogue of Yttrotungstite-(Ce))(Nd,Ce,La)W2O6(OH)3
4.FD.30KhinitePb2+Cu2+3[Te6+O6](OH)2Orth. mm2 : Fdd2
4.FD.30Khinite-3TPb2+Cu2+3Te6+O6(OH)2Trig. 3 : P32

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.

References for FrankhawthorneiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
ROBERTS, A.C., GRICE, J.D., CRIDDLE, A.J., JENSEN, M.C. HARRIS, D.C. & MOFFATT, E.A. (1995): Frankhawthorneite, Cu2Te6+O4(OH)2, a new mineral species from the Centennial Eureka mine, Tintic District, Juab Co., Utah, USA. Canadian Mineralogist 33, 641-647.

Internet Links for FrankhawthorneiteHide

Localities for FrankhawthorneiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA
 
  • California
    • San Bernardino Co.
      • Silver Lake District
        • Soda Mts
          • Baker
            • Otto Mountain
Jerry A. Baird collected mineral ID by Anthony R. Kampf PhD
  • Utah
    • Juab Co.
      • East Tintic Mts
        • Tintic District
          • Eureka
ROBERTS, A.C., GRICE, J.D., CRIDDLE, A.J., JENSEN, M.C. HARRIS, D.C. & MOFFATT, E.A. (1995): Frankhawthorneite, Cu2Te6+O4(OH)2, a new mineral species from the Centennial Eureka mine, Tintic District, Juab Co., Utah, USA. Canadian Mineralogist 33, 641-647.
Mineral and/or Locality  
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