Abstract
The properties of uniaxial crystals discussed in this chapter are of two kinds, optical and crystallographic. Chief among the optical properties used in identification in immersion mounts are those related to refractive index, optic sign, and color. In thin section, the most useful optical properties are relief, birefringence, and optic sign. Crystallographic properties that are most useful include those related to crystal habit, cleavage, and twinning.
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References
A discussion indicating that this fact is not always appreciated appears in Emmons and Gates (1957). For an incorrect practice that is approximately valid with minerals of low birefringence see p. 13 of Hess (1960).
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© 1994 Springer Science+Business Media Dordrecht
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Stoiber, R.E., Morse, S.A. (1994). Identification of Uniaxial Crystals. In: Crystal Identification with the Polarizing Microscope. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2387-1_9
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DOI: https://doi.org/10.1007/978-1-4615-2387-1_9
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-412-04831-9
Online ISBN: 978-1-4615-2387-1
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