E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Crystalline (3 syl.).
The Crystalline sphere. According to Ptolemy, between the primum mobile and the firmament or sphere of the fixed stars comes the crystalline sphere, which oscillates or has a shimmering motion that interferes with the regular motion of the stars.
They pass the planets seven, and pass the fixed
And that crystalline sphere, whose balance weighs