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Definition of Black opal
1. Noun. A dark colored opal with internal reflections of green or red.
Lexicographical Neighbors of Black Opal
Literary usage of Black opal
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Mineral Industry by Richard Pennefather Rothwell (1913)
"... in Queretaro.1 The sources of supply in New South Wales of the much-fancied
Australian black opal appear to be exhausted, at least temporarily. ..."
2. Silica and the Silicates by James Aloysius Audley (1921)
"by artificial treatment, has been termed " black opal," but true black opal,
enclosing patches of manganese oxide and showing a brilliant play of colours, ..."
3. Precious Stones and Gems: Their History, Sources and Characteristics by Edwin William Streeter (1892)
"Under the name of" black opal," a stone appeared a few years ago in the market,
... One black Opal, the size of a hen's c.jg, was sold in Paris for ;£i,ooo. ..."
Other Resources:
