(mining) A sort of iron ore, found in loose masses of a globular form, containing sparkling particles.
日本語の意味
緩んだ塊状で見られる、球形をした鉄鉱石で、きらめく粒子を含むもの
英語の意味
(mining) A sort of iron ore, found in loose masses of a globular form, containing sparkling particles.
