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  • 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", because its two cleavage planes are at right angles to each other
  • 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
  • Orthoclase Mineral Physical-Optical Properties, Uses, Occurrence
    Orthoclase is the potassium-bearing end member of the potassium sodium feldspar solid-solution series It is a major component of granite its pink crystals
  • 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
  • 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 glass and ceramics; occasionally, transparent crystals are cut as gems
  • Orthoclase: Meaning, Properties, and Benefits You Should Know
    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 usually form in large, well-shaped crystals found in granite and other rocks This mineral is made of potassium, aluminum, and silicon, creating a strong, solid structure It’s part of the feldspar family, one
  • Orthoclase Mineral Data
    Intrusive and extrusive igneous, and metamorphic rocks Common world wide occurrences Link to MinDat org Location 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
  • Orthoclase: The mineral Orthoclase information and pictures
    Detailed description, properties, locality information guide about the potassium feldspar mineral orthoclase and adularia
  • ORTHOCLASE | Crystallography Gems
    Orthoclase is in the crystal family called the alkali feldspars These minerals share a crystal structure but differ in their chemical composition Depending on how they are cooled within the Earth and what minerals are present, they morph into one another (polymorph)
  • 50 Facts About Orthoclase
    Orthoclase, a common mineral in the feldspar group, plays a significant role in geology and everyday life Found in granite and other igneous rocks, it forms large, often pink crystals that are both beautiful and scientifically important





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