Preciosity

n.	1.	Preciousness; something precious.
	1.	Fastidious refinement, esp. in language; specif., the affected purism and sententiousness characteristic of the French précieuses of the 17th century. He had the fastidiousness, the preciosity, the love of archaisms, of your true decadent. - L. Douglas.

Noun

1.

preciosity - the quality of being fastidious or excessively refined

Gongorism, affectation, affectedness, artfulness, artifice, artificiality, ceremonialism, elegance, euphemism, euphuism, exquisiteness, formalism, formality, goody-goodness, goody-goodyism, hyperelegance, legalism, manneredness, mannerism, overelaboration, overelegance, overniceness, overpreciseness, overrefinement, pedantism, pedantry, preciousness, preciseness, precisianism, pretentiousness, punctilio, punctiliousness, purism, ritualism, scrupulousness, unnaturalness