bn:00055983n
Noun Concept
Categories: Mineral stubs, Agates
EN
moss agate  Mocha stone  Montana moss agate
Definitions
Relations
Sources
EN
Moss agate is a semi-precious gemstone formed from silicon dioxide. Wikipedia
A variety of agate with brown, black, or green moss-like or dendritic markings, due in part to manganese oxide. Wiktionary
IS A
NAMED AFTER
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