rock composed of minerals formed in an aquatic environment

rock containing water or moisture

पानी या नमी युक्त चट्टान

English Usage: They discovered an aqueous rock that retained moisture for thousands of years.

Hindi Usage: उन्होंने एक ऐसी जल-आधारित चट्टान खोजी जो हजारों सालों तक नमी को बनाए रखती थी।