jade berg
n.— «Much of the sea ice has melted in the bay so we were able yesterday to make a Zodiac boat trip out to Iceberg Alley where we hunted for a jade berg amongst the thousands of huge white gems floating about in the dark Antarctic sea.» —by Stephen Eastaugh in Antarctic Everysomewherever (Australia) Jan. 8, 2003. (source: Double-Tongued Dictionary)
Further reading
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