Assertion: moonstone's sheen | /r/Synonym | royal blue
Facets:
value: sometimes
type: TEMPORAL
value: in the trade
type: LOCATION
Source sentences:
text: This discovery—which has been identified chemically as labradorite feldspar—has either a blue sheen, called royal blue in the trade, or a multicolored sheen, which the trade calls “rainbow.
text: A strong blue sheen is sometimes referred to as "royal blue".