The name Malachite is a boy's name . Malachite and is often added to lists like Jewel and Gemstone Baby Names.
From the experts:
There aren't many gemstone names that are firmly masculine but Malachite is one of these. The gemstone is a rich green colour and is often used for decorative sculptures. The name is thought to derive from the name of the Mallow plant, the leaves of which resemble the patterns on the gemstone. The name is also similar to the Hebrew name Malachi.