Pearl either saw and responded to her mother’s feelings, or herself felt the remoteness and intangibility that had fallen around the minister.
This image, so nearly identical with the living Pearl, seemed to communicate somewhat of its own shadowy and intangible quality to the child herself.
Whenever that look appeared in her wild, bright, deeply black eyes, it invested her with a strange remoteness and intangibility: it was as if she were hovering in the air, and might vanish, like a glimmering light that comes we know not whence and goes we know not whither.
Whether from commiseration for a woman of so miserable a destiny; or from the morbid curiosity that gives a fictitious value even to common or worthless things; or by whatever other intangible circumstance was then, as now, sufficient to bestow, on some persons, what others might seek in vain; or because Hester really filled a gap which must otherwise have remained vacant; it is certain that she had ready and fairly requited employment for as many hours as she saw fit to occupy with…
There are no more uses of "intangible" in the book.