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  • Afwillite – Occurrence, Properties and Distribution
    Article - 9 May 2013
    Afwillite is named after Alpheus Fuller Williams (1874-1953), the General Manager of DeBeers Consolidated Mines, South Africa. It was discovered in the year 1925 at the Dutoitspan Mines, South Africa.
  • Seelite-Occurrence, Properties, and Distribution
    Article - 10 May 2013
    Seelite is a magnesium-dominant, arsenate-bearing analogue of dymkovite. The mineral was named after Paul Seel (1904–1982) and Hilde Seel (1902–1987), American collectors of microscopic minerals,...
  • Robertsite - Occurrence, Properties, and Distribution
    Article - 7 May 2013
    Robertsite is a secondary phosphate mineral that belongs to the mineral group of mitridatite. It was discovered in 1974 from the Tip Top mine, Custer County, South Dakota, USA. It was named after...
  • Nobleite - Occurrence, Properties, and Distribution
    Article - 15 May 2013
    Nobleite is a transparent mineral containing calcium, boron, hydroxide and water. It was named after Levi Fatzinger Noble (1882-1965), American geologist, for contributing to the geology of the Death...
  • Ramsdellite – Occurrence, Properties and Distribution
    Article - 16 May 2013
    Ramsdellite is named after the American mineralogist Lewis S Ramsdell of the University of Michigan. He was the first person to describe the mineral. It is formed by pyrolusite inversion or conducting...
  • Sherwoodite – Occurrence, Properties and Distribution
    Article - 16 May 2013
    Sherwoodite has aluminovanadate (IV,V) polyanions, with 14 (VO6) octahedra condensed by edge-sharing around a central (AlO6) octahedron
  • Raspite - Occurrence, Properties, and Distribution
    Article - 21 Oct 2013
    Raspite, a member of the Scheelite group, was first discovered in 1897 at Broken Hill, New South Wales, Australia. The mineral was named after Charles Rasp, German-Australian prospector, discoverer of...
  • Cobaltite - Occurrence, Properties, and Distribution
    Article - 5 Jun 2014
    Cobaltite is a sulfosalt mineral containing sulfur, arsenic and cobalt. It was discovered as early as 1832 from the mines in the Cobalt district, Ontario, Canada.
  • Stibiotantalite - Occurrence, Properties, and Distribution
    Article - 28 May 2014
    Stibiotantalite is a member of Cervantite family. It was first discovered in Greenbushes tin placers of Wodgina district in Western Australia. It was named from the Latin for antimony, STIBIum, in its...
  • Theisite - Occurrence, Properties, and Distribution
    Article - 28 May 2014
    Theisite is a rare secondary mineral in fahlore deposits. The mineral was first discovered in Durango, La Plata, County, Colorado, USA. It was named after Nicholas J. Theis, geologist, Bendix...

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