In
all cases the tesserae are of small dimensions, about a quarter of an
inch square. The stucco joints are large and open, surfaces far from
level, but undulating considerably. The tesserae stick up in parts,
brilliant edges showing. Absence of flatness gives play to the light.
The gray of the stucco joints brings the whole composition together,
serving as cool grays in a picture to give tender unity. Gold, apart
from backgrounds and large surfaces, is used very cleverly in small
pieces in borders of garments, and more especially in thin outlines to
make out the drawing and certain flowing forms of ornament. Brilliant
pieces of glass actually moulded at the kiln into forms of jewels add
brilliancy to crowns, borders, etc. These stick boldly out from the
surface. I noticed in the Baptistery below the springing of the dome a
frieze about 2 ft. 6 in. deep, having the ground entirely in black,
through which was woven in thin gold lines a delicate foliated design.
This, in conjunction with the upper surfaces in dark, rich color, had a
most delightful effect.
We, as students, can learn most from the Ravenna examples, for great are
the needs of light and silvery color in this country, where gray and
gloomy days far outnumber those in which the sun gives liberally of his
light.
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