pitchblende

基本解释

Pitchblende and chalcolite are much more radioactive than uranium itself.
瀝清鈾鑛和銅鈾雲母比純鈾的放射性強得多。
Pitchblende is the most important industrial uranium mineral in China.
瀝青鈾鑛是我國最重要的工業鈾鑛物。
By good fortune they were able to get from the movement of Austria a ton of pitchblende.
幸運的是，他們從澳大利亞政府部門搞到了1噸瀝青油鑛。
Marie began working with pitchblende because it contained uranium, but was cheaper to buy than pure uranium.
瑪麗開始用瀝青鈾鑛做試騐，因爲瀝青鈾鑛含著鈾，但是要比純鈾便宜得多。
Pitchblende is the only primary uranium mineral, which is associated with quartz, fluorite, hematite and pyrite.
瀝青鈾鑛是鑛石中唯一的原生鈾鑛物,其共生鑛物主要有石英、螢石、赤鉄鑛和黃鉄鑛。

a blackish mineral that is a type of uraninite and occurs in veins, frequently associated with silver: the principal source of uranium and radium. Formula: UO2