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microcline
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amazonstone Figure 5: Minerals displaying good crystal form. Although such occurrences are in the minority, they receive considerable attention because of their beauty and because they reflect the symmetry content inherent in the external form and in the internal structure of the mineral. (From top) wulfenite, PbMoO4, from Mexico; rose quartz from Minas Gerais state, Brazil; microcline feldspar, KAlSi3O8, the greenish blue variety known as amazonite, with smoky (dark gray) quartz, from Colorado, U.S.
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Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones

microcline: References & Edit History

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Article History

Type Description Contributor Date
Invalidated site: The Minerals of Franklin and Sterling Hill - Microcline. Feb 02, 2018
Media added. Nov 24, 2010
Added new Web site: Amethyst Galleries - The Mineral Microcline. Nov 12, 2007
Added new Web site: The Minerals of Franklin and Sterling Hill - Microcline. Nov 12, 2007
Added new Web site: The mineral and gemstone kingdom - MICROCLINE. Nov 12, 2007
Added new Web site: Amethyst Galleries' Mineral Gallery - Microcline. Nov 12, 2007
Article revised and updated. Dec 08, 2006
Article added to new online database. Jul 20, 1998
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