Orthoclase Crystal
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“Simple orthoclase crystal opened out to show the optical orientation.” -Johannsen, 1908
Keywords
rock-forming minerals, crystal shapes, chemistry shapes, simple orthoclase crystal, crystal optical orientationGalleries
CrystalsSource
Albert Johannsen A Key for the Determination of Rock-Forming Minerals in Thin Sections (New York, NY: John Wiley & Sons, 1908)
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