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Mineral: K-Feldspar


Most common feldspars contain both sodium and potassium. The term K-Feldspar designates one where the K2O/Na2O balance heavily favors K2O.

Stockpile of crude feldspar from MGK Minerals (India) deposit

Closeup of feldspar deposit in the MGK Minerals quarry in India.

Out Bound Links

  • (URLs) Orthoclase on WikiPedia


  • (URLs) Plagioclase on Wikipedia


  • (Minerals - Related) Na-Feldspar

    Most common feldspars contain both sodium and potassium. The term Na-Feldspar designates one where the K2O/Na2O balance heavily favors Na2).

  • (Oxides) K2O - Potassium Oxide

In Bound Links

  • (Materials) Clay 215

    Kil 215

  • (Materials) Clay 216

    Kil 216

  • (Materials) Clay 220

    Kil 220

  • (Materials) Clay 220

    Kil 220

  • (Materials) Clay 222

    Kil 222

  • (Materials) Clay 232

    Kil 232

  • (Materials) Clay 233

    Kil 233

  • (Materials) Feldspar 632

    Feldspat 632

  • (Materials) Feldspar 635

    Feldspat 635

  • (Materials) FM6 Feldspar - Sodium Potassium Feldspar
  • (Materials) KM71 Feldspar - Potash Feldspar
  • (Materials) FK45 Feldspar - Sodium Potassium Feldspar
  • (Materials) Aplite A/3
  • (Materials) Ryolite S1

    Riolite S1

  • (Minerals - Related) Leucite

    Hardness: 5.5-6 Density: 2.5 K2O 21.50%, Al2O3 23.50%, SiO2 55% An alumino-silicate common to granites and feldspars, often accompanied by nepheline. Easily fluxed below 1000C.

  • (Minerals - Related) Granite

    Granite is a plutonic rock is found throughout the continental crust, most commonly in mountainous areas (it is the most abundant type of rock). The matrix consists mainly of quartz grains (10-50%), p...

  • (Materials - Contained) Pegmatite
  • (Materials - Contained) Kaolin 233
  • (Minerals - Related) Feldspar

    An indispensable material in the ceramic industry. Most ceramic bodies employ feldspar as a flux to vitrify them at a lower temperature (the feldspar creates a glaze that glues the more refractory par...

By Tony Hansen

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