| 11. | The Ragua Unit consists of albite and graphite containing mica schist, and quartzite.
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| 12. | Rubicline was synthesized in 2001 by placing powdered albite in a solvent of RbCl.
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| 13. | The crystals are a solid solution of 97 % anorthite and 3 % albite.
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| 14. | The mineral occurs in pegmatite deposits and is easily mistaken for albite and other feldspars.
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| 15. | Some intergrowths of orthoclase and albite have an attractive pale moonstone when used in jewellery.
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| 16. | Associated minerals include : quartz, albite, petalite, eucryptite, lepidolite and beryl.
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| 17. | Its mineral association includes nepheline, albite, aegirine, riebeckite, katophorite and quartz.
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| 18. | The albite : anorthite molar ratio ranges from 90 : 10 to 70 : 30.
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| 19. | Its empirical formula is chlorite and albite.
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| 20. | The feldspar is usually orthoclase, but can also be albite, oligoclase or microcline.
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