a black, grey, or brown mineral which consists mainly of uranium dioxide and is the chief ore of uranium
沥青铀矿。
"late 19th cent.: from
n. 沥青铀矿
Uraninite is the only ore mineral.
唯一的矿石矿物为晶质铀矿。
Evidence shows that the uraninite is of polygenesis.
提出该岩体晶质铀矿复成因的证据。
Ore minerals in the Colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals.
科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿,与之共生的还有钒,铜矿物。
Ore minerals in the colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals .
科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿,与之共生的还有钒,铜矿物。
Particularly part of pitchblende samples with colloidal structure features have the same physical and optical features as uraninite.
尤其有一部分具有胶状构造外表特征的沥青铀矿样品的各项参数均与晶质铀矿一样。
a black, grey, or brown mineral which consists mainly of uranium dioxide and is the chief ore of uranium
沥青铀矿。
"late 19th cent.: from