Assertion: opal | /r/CapableOf | show color
Facets:
value: directly
type: MANNER
value: to the viewer
type: TRANSITIVE-OBJECT
value: from certain angles
type: MANNER
Source sentences:
text: Not every opals show these colors.
text: Opal showing colour only from certain angles when exposed in light.
text: Opal which displays red can show other colors too.
text: This term is used to indicate whether or not an opal, when viewed face on, presents its colour directly to the viewer.