Assertion: opal | /r/MadeOf | every colour of the spectrum
Facets:
value: from deepest and clearest blues
type: OTHER
value: through to golden orange
type: OTHER
value: from iridescent greens
type: OTHER
Source sentences:
text: Opal contains every colour of the spectrum, from deepest and clearest blues and iridescent greens, through to golden orange, red and fuchsia; it can be pale and delicate, or dark and brilliant.