copper glance

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Definitions from WordNet

Noun copper glance has 1 sense

chalcocite, copper glance - a heavy gray mineral that is an ore of copper
--₁ is a kind of mineral
--₁ has substances: copper, Cu, atomic number 29

Definitions from the Web

Copper Glance

Noun

Sense 1:

A mineral that is an ore of copper, having a metallic luster and a dark gray, bluish-black, or black color. It is composed of copper(II) sulfide (Cu2S), the chief ore mineral of copper.

Sense 2:

A reddish-brown mineral consisting of cuprous oxide (Cu2O), typically occurring as earthy incrustations on copper ores.

Example Sentences:

Sense 1: The miners extracted a considerable amount of copper glance from deep within the earth.

Sense 2: The copper glance coating on the copper wires indicated the presence of valuable minerals.

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