Assertion: opal's benefit | /r/HasProperty | added
Facets:
Source sentences:
text: Doublet opal also has the added benefit of having genuine opal as the top visible and touchable layer, unlike triplet opals.
text: Doublet opal also has the added benefit of having genuine opal as the top visible and touchable layer, unlike triplet opals.
text: Doublet opal also has the added benefit of having genuine opal as the top visible and touchable layer, unlike triplet opals.