Published online by Cambridge University Press: 14 March 2018
The ruby crystals from the Cowee Valley, Macon County, North Carolina, show a very wide variation in their development. Although many of the crystals are so striated that no crystallographic measurements were possible on the reflecting goniometer, the faces were readily identified by means of the contact goniometer. On some of the crystals the faces were bright and smooth, making them well adapted for measurement on the reflecting goniometer. The following references are to Plate.
page 150 note 1 Amer. journ. Sci. Vol. IV. 1897, p. 424.
page 151 note 1 Neues jahrb. Min. 1896, II. 197.
page 151 note 2 Loe. cir. p. 209.
page 151 note 3 Amer. J. Sci. Vol IV. 1897, p. 424.