Frankhawthorneite

(repeating unit)Cu2Te6+O4(OH)2IMA symbolFht[1]Strunz classification4.FD.25Dana classification33.1.4.1Crystal systemMonoclinicCrystal classPrismatic (2/m)
(same H-M symbol)Space groupP21/nIdentificationColorMedium leaf-greenFractureUnevenTenacityBrittleMohs scale hardness3–4LusterVitreousStreakPale leaf-greenDiaphaneityTransparentSpecific gravity5.43Refractive index2.00References[2][3]

Frankhawthorneite Cu2Te6+O4(OH)2 is a monoclinic copper tellurate mineral (space group P21/n) named after Prof. Frank Christopher Hawthorne (born 1946), University of Manitoba, Winnipeg, Canada. It was discovered at Centennial Eureka Mine, Tintic District, East Tintic Mountains, Juab County, Utah, in 1995. It has a leaf green color.[4]

See also

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Frankhawthorneite" (PDF). Handbook of Mineralogy. Mineral Data Publishing. Retrieved 14 March 2022.
  3. ^ Hawthorneite, Mindat.org
  4. ^ Grice, J.D.; Roberts, A.C. (1995). "Frankhawthorneite, a unique HCP framework structure of a cupric tellurate". The Canadian Mineralogist. 33: 649–653. Retrieved 30 December 2020.


  • v
  • t
  • e