Assertion: opal's inclusion | /r/Synonym | dendriticopal
Facets:
Source sentences:
text: Some of these include: "Nickel" opal, a gorgeous green colored by nickel that is found in Poland; Tanzania material is also a beautiful green resembling chrysoprase and is called "Prase" opal; Brazil and several North American locations produce opal with fern-like dendritic inclusions called "Dendritic" opal and the list goes on and on.