Chemistry:Frankhawthorneite
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| Frankhawthorneite | |
|---|---|
| General | |
| Category | Tellurate mineral |
| Formula (repeating unit) | Cu2Te6+O4(OH)2 |
| 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 |
| |re|er}} | Vitreous |
| Streak | Pale leaf-green |
| Diaphaneity | Transparent |
| Specific gravity | 5.43 |
| Refractive index | 2.00 |
| References | [1][2] |
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
- ↑ Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Frankhawthorneite". Mineral Data Publishing. http://www.handbookofmineralogy.org/pdfs/frankhawthorneite.pdf.
- ↑ Hawthorneite, MinDat.org, http://www.mindat.org/show.php?id=6958.html
- ↑ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode: 2021MinM...85..291W.
- ↑ Grice, J.D.; Roberts, A.C. (1995). "Frankhawthorneite, a unique HCP framework structure of a cupric tellurate". The Canadian Mineralogist 33: 649–653. https://www.researchgate.net/publication/304749883. Retrieved 30 December 2020.
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