a kind of agate or chalcedony containing brown or black mosslike dendritic markings from various impurities.
Origin of moss agate
First recorded in 1790–1800
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for moss agate
Historical Examples of moss agate
The governing planet of the month is Venus, and the gems are moss-agate and emerald.
His soft eyes hardened and the moss-agate look came into them.
Charles Emmett Van Loan
There was blood upon that moon, and all the shores were like veins in moss-agate and the sea like oil.
British Dictionary definitions for moss agate
a variety of chalcedony with dark greenish mossy markings, used as a gemstone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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