Frankhawthorneite
(repeating unit)Cu2Te6+O4(OH)2 IMA symbol Fht[1] Strunz classification 4.FD.25 Dana classification 33.1.4.1 Crystal system Monoclinic Crystal class Prismatic (2/m)
(same H-M symbol) Space group P21/n Identification Color Medium leaf-green Fracture Uneven Tenacity Brittle Mohs scale hardness 3–4 Luster Vitreous Streak Pale leaf-green Diaphaneity Transparent Specific gravity 5.43 Refractive index 2.00 References [2][3]
(same H-M symbol)
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
- ^ 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.
- ^ 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.
- ^ Hawthorneite, Mindat.org
- ^ 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.
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