moss agate (English, noun)
expansion: moss agate (countable and uncountable, plural moss agates)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A variety of agate with brown, black, or green moss-like or dendritic markings, due in part to manganese oxide.
tags: countable
uncountable
Forms:
form: moss agates
tags: plural