Optical symbols of some minerals. Interference figures of mica
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Abstract
This paper presents the results of further research undertaken to determine the optical symbols of various minerals. A table of individual observations in mica plate is provided. At the end of the article, more detailed data regarding observations in simple and combined plates are provided, as well as the characteristics of individual members of the group under consideration (muscovite, alomite, biotite, phlogopite, etc.).
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(Archived) Articles
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References
- Explication des phénomènes optiques etc. Ann. d. Mines 1876. P. 60
- Sur les propriétés optiques etc. Ann. d. Min. 1881. P. 256.
- Rosenbusch. Mikr. Phys. I. S. 252.
- L. Duparc. Les minéraux des pegmatites des environs d’Antsirabé à Madagascar. 1910. p. 367.
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