单词：tetrahedrite
quantities of other metals. It is a very common ore of copper, and some
varieties yield a considerable presentage of silver. Called also gray
copper ore, fahlore, and panabase.
tetrahedrite的用法和样例：
例句
- Tetrahedrite is a common cupreous sulfide mineral in the Ashele volcanic massive sulfide deposit.摘要新疆阿舍勒火山岩型块状硫化物铜矿床中黝铜矿广泛产出，并以锌砷黝铜矿为特徵。
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