malachite

Definizioni

minerale composto da carbonato basico di rame, di colore verde intenso, usato come pietra dura ornamentale e, ridotto in polvere, come pigmento per colorare tessuti, lacche ecc..

Equivalenti

Esempi

“Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)”

Livello QCER