Assertion: opal | /r/HasProperty | transparent
Facets:
value: depending on the conditions
type: OTHER
Source sentences:
text: Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque and the background color may be white, black, or nearly any color of the visual spectrum.
text: Opals are considered transparent when another object placed on the opposite side can be viewed through the stone; translucent, defined as having the ability to allow diffused light to pass through the entire gem; or opaque, meaning light does not penetrate the stone.
text: Opals that are transparent can be faceted; some faceted opals have play of color, others do not.
text: Opals are considered transparent when another object placed on the opposite side can be viewed through the stone; translucent, defined as having the ability to allow diffused light to pass through the entire gem; or opaque, meaning light does not penetrate the stone.