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Results 21 - 30 of 75 for Quarrying
  • Barbosalite – Occurrence, Properties, and Distribution
    Article - 13 Jun 2014
    Barbosalite has been named to honor Aluizio Licinio de Miranda Barbosa, who is a Professor of Geology at the School of Mines, Ouro Preto, Brazil. It belongs to the Lazulite mineral group and forms a...
  • Afghanite – Occurrence, Properties, and Distribution
    Article - 12 Jun 2014
    Afghanite was named after the country – Afghanistan, where it was first discovered. It belongs to the cancrinite group.
  • Zussmanite – Occurrence, Properties and Distribution
    Article - 14 Aug 2013
    Zussmanite was discovered in the year 1964 in the Laytonville Quarry located in the Coastal Range of California, USA. This mineral is named after Jack Zussman, who is a professor at the University of...
  • Reyerite – Occurrence, Properties and Distribution
    Article - 9 May 2013
    Reyerite is named after Edouard Reyer, an Austrian geologist. It has a crystalline structure similar to minehillite. Glimer Zeolith is another name for reyerite.
  • Ettringite - Occurrence, Properties, and Distribution
    Article - 21 Oct 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...
  • Tvedalite - Occurrence, Properties, and Distribution
    Article - 28 May 2014
    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....
  • Zussmanite - Occurrence, Properties, and Distribution
    Article - 3 Jun 2014
    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 - 7 May 2013
    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.
  • Okenite – Occurrence, Properties, and Distribution
    Article - 7 May 2013
    Okenite is a silicate mineral that resembles small white ‘cotton balls. It is found within basalt geodes. The mineral was named after Lorenz Ocken, a German naturalist from Munich, Germany. It was...
  • Outcrop - Mining Fundamentals
    Article - 24 May 2014
    Outcrop is a bedrock that is exposed or old superficial deposits on the Earth’s surface. In most places, outcrops are covered by a mantle of soil and vegetation. However, the rock may crop out or...

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