Gilbertite

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Gilbertite

(named for the English antiquarian and economist D. Gilbert, 1767–1839), a squamulose, sometimes dense cryptocrystalline variety of muscovite, usually partially hydrated and converted to hydromuscovite. Squamulose aggregates of nacrite and kaolinite are sometimes called gilbertite. Gilbertite is often formed by the replacement of feldspars and topaz (for example, in pegmatites and greisens); it is also found in clays formed by the decomposition of mica-rich rocks (micaceous slates and gneisses).

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No references found			Gilalai Gilan Gilashvili, Pavel Gilashvili, Pavel Georgievich Gilbert Gilbert and Ellice Islands Gilbert and Ellice Islands Colony Gilbert circuit Gilbert de la Porrée Gilbert Islands Gilbert Keith Chesterton Gilbert Lake State Park Gilbert Newton Lewis Gilbert Stuart Gilbert Warren Nutter Gilbert, Cass Gilbert, G. K. Gilbert, Grove Karl Gilbert, Henry F. Gilbert, Sir Humphrey Gilbert, Sir W S Gilbert, Sir William Schwenck Gilbert, Walter Gilbert, William Gilbert-Varshamov bound Gilbertite Gilboa Gilbreth's micromotion study Gilbreth, Frank Gilbreth, Lillian Gilbrethian variables Gilbreths Gilchrist County Gilchrist, Percy Carlyle gild Gilda Gildas, Saint Gilder Group Gilder, Richard Watson Gildersleeve, Basil Gildersleeve, Throckmorton P. Gildersleeve, Virginia Crocheron gilding gilding metal gilds Gilea Gilead Gilels, Emil Gilels, Emil Grigorevich Gilemdar Ramazanov Gilemdar Zigandarovich Ramazanov			Gilbert, Humphrey Gilbert, Hunter, Shuman and Associates Gilbert, Sir Humphrey Gilbert, Sir Humphrey Gilbert, Sir Humphrey Gilbert, Sir W S Gilbert, Sir William Schwenck Gilbert, Walter Gilbert, William Gilbert, William Gilbert, William Gilbert-Elliott Channel Gilbert-Elliott Channel Model Gilbert-Johnson-Keerthi Gilbert-Shannon-Varshamov bound Gilbert-Varshamov Gilbert-Varshamov bound Gilbert-Varshamov bound Gilbertes Gilbertes Gilbertes Gilbertian Gilbertian Gilbertian Gilbertian mimicry Gilbertian mimicry Gilbertian mimicry Gilbertian mimicry Gilbertine Gilbertine Order Gilbertite Gilberts Gilberts Gilberts Gilberts Agricultural and Rural Development Center Gilberts disease Gilberts syndrome Gilbertus Albans Gilbertus Porrea Gilboa Gilbraltar Gilbraltar Gilbratar Gilbratar Gilbreth's micromotion study Gilbreth, Frank Gilbreth, Lillian Gilbrethian variables Gilbreths GILC Gilchrist Center for Hospice Care Gilchrist County Gilchrist County, FL Gilchrist County, Florida Gilchrist's disease Gilchrist, Percy Carlyle GILCU gild gild gild gild

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