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29 September 2017
Mineral named after UFS professor
Tredouxite (white) intergrown with bottinoite (light grey), a complex hydrous alteration product. The large host minerals are nickel-rich silicate (grey), maybe willemseite, and the spinel trevorite (dark grey).

More than five thousand minerals have been certified by the International Mineralogical Association(IMA). One of these minerals, tredouxite, was recently named after an academic at the University of the Free State (UFS). 

Tredouxite was named after Prof Marian Tredoux, an associate professor in the Department of Geology, to acknowledge her close to 30 years’ commitment to figuring out the geological history of the rock in which this mineral occurs. The name was chosen by the team which identified the new mineral, consisting of Dr Federica Zaccarini and Prof. Giorgio Garuti from the University of Leoben, Austria, Prof. Luca Bindi from the University of Florence, Italy, and Prof. Duncan Miller from the UFS. 

They found the mineral in the abovementioned rock from the Barberton region in Mpumalanga, in May 2017.

In the past, a mineral was also named after Marie Curie
With the exception of a few historical (pre-1800) names, a mineral is typically named either after the area where it was first found, or after its chemical composition or physical properties, or after a person. If named after a person, it has to be someone who had nothing to do with finding the mineral.

Prof Tredoux said: “As of 19 September 2017, 5292 minerals had been certified by IMA. Of these, 81 were named after women, either singly or with a near relation. Marie Curie is named twice: sklodowskite (herself) and curite (plus husband). Most of the named women are Russian geoscientists.”

Another way to assess the rarity of such a naming is to consider that fewer than 700 minerals have been named after people. Given that there are by now seven billion people on the planet, it means that a person who is granted a mineral name becomes one in 10 million of the people alive today to be honoured in such a way. To date, over a dozen minerals had been named after South Africans, three of them after women (including tredouxite).

It contains nickel, antimony and oxygen
The chemical composition of tredouxite is NiSb2O6 (nickel antimony oxide). This makes it the nickel equivalent of the magnesium mineral bystromite (MgSb2O6), described in the 1950s from the La Fortuna antimony mine in Mexico.  

“This announcement is of great academic importance: the discovery by the Italian team of a phase with that specific chemical composition will undoubtedly help me and my co-workers to better understand the origin of the rock itself,” she said. She also expressed the hope that it may raise interest in the Department of Geology and the UFS as a whole, by highlighting that world-class research is being done at the department. 

The announcement of this new mineral was published on the International Mineralogical Association Commission on New Minerals, Nomenclature and Classificationwebsite, the Mineralogical Magazine and the European Journal of Mineralogy.

News Archive

Autumn Graduation Ceremony a thrilling showcase
2013-04-19

 

Yolanda du Toit from the Department Student Academic Services is the proud mother of three daughters who all received qualifications at the Autumn Graduation. Maryke (left) received her certificate in Certified Financial Planning. She already has degrees in B.Com. Law and LLB. Amandi (centre) received her B.Ed and twin sister received her degree in consumer science.
Photo: Renè-Jean van der Berg
19 April 2013

Gareth Cliff video clip
Vicus and Vincent Visser video clip
Joshua Johnson video clip
Graduation YouTube video clip

Photo Gallery

The university’s Autumn Graduation Ceremony infused the Bloemfontein Campus with exhilaration last week.

Beaming with pride, graduates received 526 diplomas/certificates and 2 796 bachelor’s and honours degrees in total.

Prof Jonathan Jansen, Vice-Chancellor and Rector, lead each procession of graduates from the Red Square down the path to the Callie Human Centre while the beat of drums filled the air. “To break the cycle of poverty, get an education, get a degree,” Prof Jansen urged graduates during their respective ceremonies. He underscored the fact that, as graduates, they are ten times more likely to get a job, with the odds rising as they continue their postgraduate studies.

Dr Khotso Mohele, Chancellor of the university, advised graduates not to allow life’s obstacles to discourage them. “Take what you have learned over the last three or four years and use that knowledge to reach your goal,” he said. He also emphasised that graduates need to be able to take standpoint against issues.

Graduates’ ceremonies were made even more memorable by various local and international speakers and performers.

American student and tap-dancer, Joshua Johnson, inspired the audience with his story of hope and perseverance. As a student from Penn State University, he travels five hours by bus to New York every weekend where he dances on the subway train to earn money for his tuition fees. Joshua told graduates that, in order to achieve their goals, they have to make the best use of the 24 hours they get to live daily. “Don’t follow in the footsteps of someone else. Take the beat of life, but add your rhythm to it," his wise words resonated with the exhilarated graduates. The audience could not help but clap to the rhythmic beat of his tap-dancing performance.

Vicus Visser, dubbed Bloemfontein’s Justin Bieber was also on the list of performers. Vicus – a South African YouTube singing sensation – performed with his brother, Vincent, to the delight of the crowd.

Radio personality and Idols South Africa judge, Gareth Cliff, was also among the speakers who addressed the graduates during the week. “It’s a good time be alive, a good time to be a South African, a good time to be a qualified South African,” he said. “It’s a time in our country’s development that we require minds such as yours to propel us forward,” was part of his message. Gareth also stressed the freedom of speech in South Africa, especially the freedom of the media.

The Autumn Graduation Ceremony of 2013 was an immense success and filled the hearts of Kovsie graduates, students, staff, parents, family and friends with overwhelming pride.

The Qwaqwa Campus’ graduation ceremony will take place on 8 June 2013. Diplomas / certificates up to and including doctorates will be awarded at this ceremony.

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