Definitions for micaceous-ˈkeɪ ʃəs
Random House Webster's College Dictionary
any member of a group of minerals, hydrous silicates of aluminum usu. with potassium, sodium, or calcium, that separate readily into thin, tough, often transparent laminae.
Origin of mica:
1700–10; < L mīca crumb, grain
Of, pertaining to, consisting of, or containing mica.
Resembling mica, laminated, sparkling.
The book review was a micaceous example of perfection.
pertaining to, or containing, mica; splitting into laminae or leaves like mica