しぜんどう
自然銅
1. native copper
2. Native copperCopper, as native copper, is one of the few metallic elements to occur in uncombined form as a natural mineral, although most commonly occurs in oxidized states and mixed with other elements. Native copper was an important ore of copper in historic times and was used by pre-historic peoples. Native copper occurs as rarely isometric cubic and octahedral crystals, but more typically as irregular masses and fracture fillings.
Read “Native copper” on English Wikipedia
Read “自然銅” on Japanese Wikipedia
Read “Native copper” on DBpedia
Read “Native copper” on English Wikipedia
Read “自然銅” on Japanese Wikipedia
Read “Native copper” on DBpedia
自然銅 【じねんどう】
Discussions
Log in to talk about this word.