Assertion: chrysoberyl's use | /r/HasAspect | practical uses
Facets:
value: in mineralogy
type: OTHER
value: in gemology
type: LOCATION
value: in petrology
type: LOCATION
value: in mining
type: LOCATION
Source sentences:
text: Practical Uses of Mineral and Rock Fluorescence Fluorescence has practical uses in mining, gemology, petrology, and mineralogy.