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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.

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Qwaqwa Campus honours academic excellence
2017-05-18

Description: QQ autumn Graduation 2017 Tags: QQ autumn Graduation 2017

Photo: Ian van Straaten

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Qwaqwa Campus kicked off the 2017 graduations season of the University of the Free State in style when over 550 degrees and certificates were conferred in three sessions on 12 and 13 May 2017. These included five PhDs from the Faculty of Natural and Agricultural Sciences.

In his maiden speech delivered during the two ceremonies on Friday 12 May 2017, the newly-appointed Vice-Chancellor and Rector, Prof Francis Petersen, emphasised the interconnectedness of graduates with other stakeholders in their communities.

“Never forget the role played by other people who sacrificed a lot for you to be here today. Recognise the extra mile that someone was willing to go for you to graduate,” he said to an enthusiastic audience that included Grade 12 learners from neighbouring schools. 

Prof Petersen also reminded the graduates that not everybody had an opportunity to enter, enrol, and eventually graduate at a university. “You are part of the privileged few, and I am confident that the UFS has given you an equal opportunity to reach your full potential. You have had years of exposure to ideas and experiences on diversity. You now have the opportunity to show the world and to use what you have learnt beyond a classroom,” he added.

“Go out there and open doors for others as much as they were opened for you. I implore you to carry over your experiences of diversity and use them to build a better world. Go out there and build a better world, not only for yourself but for everyone in need. Expand your influence, reach out, and be accountable,” he said.

“South Africa needs your skills,
innovation, knowledge, expertise,
and creativity.”

Make your own unique contribution
The session held on Saturday 13 May 2017 saw the Principal of Motheo TVET College and Qwaqwa Campus alumnus, Dipiloane Phutsisi, having a heart to heart with the graduates from the Faculty of Education.

“Our contribution to the world as graduates will not be measured by the wealth we accumulate or the accolades we receive, but rather by the way in which we share our unique gifts with the world. And the only place to find those gifts is to look within yourself. As the class of 2017, make your own unique contribution,” she said.

“Your graduation takes place at a particularly challenging time in the history of our democracy. It happens at a time when our nation is engulfed by racial polarisation, anger, confusion about what democracy and freedom mean to us, and at a time when the pillars of morality are tested.”

“As you graduate, I wish to remind you that our country needs you more than ever before. South Africa needs your skills, innovation, knowledge, expertise, and creativity,” she said.

Three members of the current SRC were also among the graduates. They are the President, Njabulo Mwali (BSc Information Technology), Sports Affairs Officer, Ntokozo Thango (BA Sociology), and Student Development and Environmental Affairs Officer, Ntokozo Masiteng (BA Sociology).

 

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