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  1. Orthoclase - Wikipedia

    Orthoclase, or orthoclase feldspar (endmember formula K Al Si 3 O 8), is an important tectosilicate mineral which forms igneous rock. The name is from the Ancient Greek for "straight fracture", …

  2. Orthoclase: Pink granite, Mohs hardness and moonstone

    Orthoclase is the feldspar mineral of pink granite, the #6 mineral of the Mohs hardness scale, and one of the two minerals that comprise Moonstone.

  3. Orthoclase: Mineral information, data and localities.

    Orthoclase is the most common member of the series, being the dominant K-feldspar in most granite, granitic rocks and other plutonic rocks, with an intermediate cooling regime.

  4. Orthoclase Mineral Physical-Optical Properties, Uses, Occurrence

    Mar 11, 2019 · An important rock-forming mineral, orthoclase is the potassium-bearing end member of the potassium sodium feldspar solid-solution series. It is a major component of granite its pink …

  5. Orthoclase | Feldspar, Silicate, Mohs Scale | Britannica

    orthoclase, common alkali feldspar mineral, a potassium aluminosilicate (KAlSi 3 O 8); it usually occurs as variously coloured, frequently twinned crystals in granite. Orthoclase is used in the manufacture of …

  6. Orthoclase: Meaning, Properties, and Benefits You Should Know

    What is Orthoclase? Orthoclase comes in colors like white, colorless, gray, green, pink, and yellow. It has a smooth texture with a shiny, glass-like surface. Its patterns are often blocky or striated and …

  7. Orthoclase: The mineral Orthoclase information and pictures

    Detailed description, properties, locality information guide about the potassium feldspar mineral orthoclase and adularia.

  8. Orthoclase Mineral Data

    From the Greek orthos - "right" and kalo -" I cleave" in allusion to the mineral's right angle of good cleavage. Comments: Striated, dark violet crystal of lorenzenite in cream-colored orthoclase. …

  9. Orthoclase Gemstone Information: Unveil Its Natural Beauty

    Orthoclase is a type of feldspar mineral that is valued for its natural beauty and unique characteristics. It is known for its vibrant colors, durability, and versatility.

  10. Orthoclase Meaning, Uses & Benefits | Chakras, Rarity & more

    Orthoclase, a gentle and grounding crystal, offers profound emotional benefits that can enhance your well-being. This soothing stone is known for its ability to foster emotional balance and stability, …