Frankhawthorneite

Frankhawthorneite
General
Category	Tellurate mineral
Formula	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]

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

• List of minerals named after people

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.