... to have also melted the edge of the fragments it contains, and then to have crystallized with them, and round them. And the brecciated agate I first showed you contains exactly the same phenomena; a zoned crystallization going on amidst the cemented fragments, partly altering the structure of those fragments themselves, and subject to continual change, either in the intensity of its own power, or in the nature of the materials submitted ... — The Ethics of the Dust • John Ruskin
... the valley the lights began to twinkle out here and there like earth-stars. He would wait until he saw the kitchen light from the window of his old home. Then he would go. He waited until the whole valley was zoned with a glittering girdle, but no light glimmered out through his native trees. Why was it lacking, that light he had so often hailed at dark, coming home from boyish rambles on the hills? He felt anxious and dissatisfied, as if he could not go away ... — Lucy Maud Montgomery Short Stories, 1905 to 1906 • Lucy Maud Montgomery