Malachite in a sentence as a noun

There are other things you can test, like phosphate concentration using malachite green...

The truth is always a matter of perspective!Having said that, the Spanish and Italians used boys as young as 6 as slaves for mining silver and malachite.

In Mesoamerica, yax refers to colours on blue-green spectrum including malachite greens, and azurite or indigo blues [1].

Malachite definitions

noun

a green or blue mineral used as an ore of copper and for making ornamental objects