Read Petrographical Tables: An Aid to the Microscopical Determination of Rock-Forming Minerals (Classic Reprint) - Harry Rosenbusch | ePub Online

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Excerpt from Petrographical Tables: An Aid to the Microscopical Determination of Rock-Forming Minerals The mean index of refraction is n: 2 E denotes the apparent optic axial angle, or angle between the optic axes measured in air. The expression p v (under the head of dispersion) indicates that the optic axial angle for red rays is smaller than that for violet p 1/ that it

Title : Petrographical Tables: An Aid to the Microscopical Determination of Rock-Forming Minerals (Classic Reprint)
Author : Harry Rosenbusch
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 06, 2021

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