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Results 41 - 50 of 74 for Quarrying
  • Mountainite - Occurrence, Properties, and Distribution
    Article - 11 Mar 2013
    Mountainite is a transparent to translucent material named after Edgar Donald Mountain, Professor of Geology, Rhodes University, Grahamstown, South Africa.
  • Ramsdellite – Occurrence, Properties and Distribution
    Article - 8 Mar 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...
  • Ettringite - Occurrence, Properties, and Distribution
    Article - 22 Feb 2013
    Ettringite is a hydrous calcium aluminum sulfate mineral first described in 1874 from Ettringer Bellerberg, Ettringen, Mayen, Eifel, Rheinland-Pfalz, Germany. The mineral was named for its place of...
  • Deerite - Occurrence, Properties, and Distribution
    Article - 8 Feb 2013
    Deerite was first discovered in Laytonville quarry, 5 miles south of Laytonville, Mendocino Co. California in 1964. It was named for William Alexander Deer, mineralogist-petrologist, Cambridge...
  • Fluoborite - Occurrence, Properties, and Distribution
    Article - 1 Feb 2013
    Fluoborite having a hexagonal crystal system was first described in 1926 from the Huerta del Vinagre mine, Spain. It was named for its essential components fluorine and boron.
  • Francisite - Occurrence, Properties, and Distribution
    Article - 24 Jan 2013
    Francisite is an orthorhombic-dipyramidal light green mineral containing selenium, oxygen, copper, chlorine and bismuth. It was named in honor of Glyn Francis, Quality Control Officer at the Iron...
  • Tvedalite - Occurrence, Properties, and Distribution
    Article - 17 Jan 2013
    Tvedalite is an orthorhombic mineral containing silicon, oxygen, manganese, hydrogen, calcium and beryllium. It was first observed in Vevja larvikite quarry, Tvedalen, Brunlanes, Vestfold Co., Norway....
  • Wardite - Occurrence, Properties, and Distribution
    Article - 8 Jan 2013
    Wardite is a hydrous sodium aluminum phosphate hydroxide mineral and crystallizes in the tetragonal trapezohedral class. It was named after Henry Augustus Ward, an American collector and dealer in...
  • Zussmanite - Occurrence, Properties, and Distribution
    Article - 8 Jan 2013
    Zussmanite is a hydrated iron-rich silicate mineral occurring as pale green crystals with perfect cleavage. It was first discovered by Stuart Olof Agrell in the Laytonville quarry, Mendocino County,...
  • Bertrandite - Occurrence, Properties, and Distribution
    Article - 19 Dec 2012
    Bertrandite is a beryllium sorosilicate hydroxide often occurs as a replacement of beryl. It was discovered near Nantes, France in 1883 and named after Emile Bertrand, a French mineralogist.

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