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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

Goodbye SIFE, hello Enactus
2013-05-01

The Kovsies Enactus team
24 May 2013
Photo: Linda Fekisi

The Students in Free Enterprise, better known as SIFE, has changed its brand name to Enactus. This global rebranding took place late last year. It forms part of an attempt to increase the organisation’s level of reach and impact. It reflects that entrepreneurial action is not something that is relevant to a single culture or nationality.

The organisation is still in essence one which assists university students to create community empowerment projects. The Kovsies Enactus team has 53 active members on the Bloemfontein Campus.

“We encourage student development through Enactus. It is a great platform for students. There is a combination of ideas, expertise and diversity from different faculties,” says the Vice-Chairperson of internal affairs, Mirriam Matsoaboli.

Enactus is currently working on three major projects: Local Economic Development (LED) and Edcon, Shifting Focus, and an environmental project. LED works with 19 established businesses which are struggling to make a profit while Edcon deals with three designers in textile and clothes making. Shifting Focus forms part of the educational division. It focuses on instilling entrepreneurial skills in high school learners. The Enactus team serves as a mentoring structure and advises them. The environmental project is in its infant stage, with. Enactus working on recycling bottles and paper, especially old study guides on campus.

“Having a branch on the QwaQwa campus has also been one of our objectives. We are still in the process of establishing one,” adds Mirriam.

The Enactus team is currently preparing for the national competitions which will take place later in Sandton on 10 and 11 July.

  • Students tell us about your association and we will profile it on our Kovsielife page. Contact Amanda Tongha at tonghaa@ufs.ac.za

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