ホーム > Term: Bolognian stone
Bolognian stone
A nodular, concretionary, or round variety of barite, composed of radiating fibers; phosphorescent when calcined with charcoal.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)