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  • Andesine - Wikipedia
    Andesine is a silicate mineral, a member of the plagioclase feldspar solid solution series Its chemical formula is ( Ca , Na )( Al , Si ) 4 O 8 , where Ca (Ca + Na) (% anorthite ) is between 30 and 50%
  • Andesine – The Ultimate Guide – (Meaning, Description, Uses . . .
    What is Andesine? Andesine is a high-quality, red gemstone and is a member of the Feldspar group of crystals It measures 6-6 5 on the Mohs scale for hardness and shares the characteristics of both alexandrite and Paraiba tourmaline in that it appears either green or red depending on the light source
  • Andesine : Properties, Formation, Locations, Uses » Geology . . .
    Andesine, as a member of the plagioclase feldspar group, forms through a variety of geological processes and is found in numerous locations worldwide Here’s an overview of its formation, occurrence, and distribution:
  • Andesine: Mineral information, data and localities. - mindat. org
    White, gray, green, yellow, flesh-red For the Andes Mountains of South America where it is abundant in the lavas A plagioclase feldspar with an albite : anorthite molar ratio ranging from 50 : 50 to 70 : 30 Originally described from Marmato Mine, Marmato, Cauca, Chocó Department, Colombia
  • Andesine Value, Price, and Jewelry Information
    Andesine Value, Price, and Jewelry Information These feldspars are rarely encountered in gem form Andesine's occurrence is widespread throughout the world, in a great variety of rock types and environments, but in most cases transparent crystals are rare
  • Andesine Gemstone: Properties, Meanings, Value More
    Andesine is a plagioclase feldspar known for dazzling shades of red, gemstone rarity, and industrial uses! Learn about this stone’s history, properties, uses value in our Andesine gemstone guide!
  • Andesine Mineral Data
    Magmatic and metamorphic rocks Andes Mountains, South America Link to MinDat org Location Data Named after its locality Comments: Translucent andesine crystal twin Location: Maeyama Ueda shi, Nagano, Japan Scale: See Photo Warning: this large pop-up is very compute intensive and may not work well with some computers





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