feather ore
Noun
Meaning
feather ore (usually uncountable, plural feather ores)
(mineralogy) A variety of jamesonite, sometimes found in capillary forms and like a cobweb, but also massive.
Noun
feather ore (usually uncountable, plural feather ores)
(mineralogy) A variety of jamesonite, sometimes found in capillary forms and like a cobweb, but also massive.