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Ch. 6: Beryl (Emerald, Aquamarine), Chrysoberyl, Phenacite, & Euclase

Ch. 6: Beryl (Emerald, Aquamarine), Chrysoberyl, Phenacite, & Euclase Page of 364 Ch. 6: Beryl (Emerald, Aquamarine), Chrysoberyl, Phenacite, & Euclase Text size:minus plus Restore normal size   Mail page  Print this page
       
     
 
UNITED STATES, CANADA AND MEXICO
101
 
 

 
 
will soon be reported. It has been found in magnificent crys­tals at Villa Rica, Brazil, S. Α., but it is of extremely rare occur­rence, is highly cleavable, and is scarcely known except to mineralogists.
The peridot of the jeweler, which is the chrysolite or olivine of the mineralogist, is found in abundance and of a good quality, in the form of small, olive-green, pitted grains or pebbles associ­ated with garnet, in the sands of Arizona and New Mexico. Locally they are called Job's tears on account of their pitted ap­pearance. This material affords smaller gems than those coming from the Levant, and as the demand seems to be for the large peridots of the richer olive-green color, which is not possessed by those from the United States, only a small number of the peri-
 
 

 
 
 
 

 
 
dots found in the West have been cut into gems. Many of the so-called " emeralds " in European church treasuries, notably those of the " Three Magi " in the Cathedral of Cologne, are peridots and not emeralds, but the locality whence they were taken is now unknown. All the peridots that are sold in modern times are taken out of jewelry which is often two centuries old. The chrysolite of the French jewelers is chrysoberyl. From the meteoric iron that was found on Glorietta Mountain, Santa Fé County, N. M., in 1885, the writer' obtained some peridots of 1 carat in weight, that were transparent and yellowish-green in color. The meteorite that was found on Glorietta Mountain, Santa Fé County, Ν. Μ., and the one found at Eagle Station, Carroll County, Ky., is believed to be identical with the piece,
1 Am. J. Sci. III., Vol. 32, p. 311, Oct., 1886.
 
 

 
       
Ch. 6: Beryl (Emerald, Aquamarine), Chrysoberyl, Phenacite, & Euclase Page of 364 Ch. 6: Beryl (Emerald, Aquamarine), Chrysoberyl, Phenacite, & Euclase
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