Polycrase

Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with formula: (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)₂O₆. It is amorphous. It has a Mohs hardness of 5 to 6 and a specific gravity of 5. It is radioactive due to its uranium content (around 6%). It occurs in granitic pegmatites.

单词	polycrase
释义	polycrase 英汉-汉英词典 n. 复稀金矿,锗铀钇矿石词组 \| 习惯用语您要查找的是不是： polygraph n. (描记脉搏、呼吸速率的)多种波动描记器 polymerase n. [生化]聚合酶网络短语: polycrase 复稀金矿; 黑稀金矿; polycrase e 复稀金矿；黑稀金矿英语百科 Polycrase Polycrase or polycrase-(Y) is a black or brown metallic complex uranium yttrium oxide mineral with formula: (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)₂O₆. It is amorphous. It has a Mohs hardness of 5 to 6 and a specific gravity of 5. It is radioactive due to its uranium content (around 6%). It occurs in granitic pegmatites.
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polycrase

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网络短语:

Polycrase